diff --git a/app/Controllers/Http/Api/HomeController.ts b/app/Controllers/Http/Api/HomeController.ts
index 6f15773..cd4c2fc 100644
--- a/app/Controllers/Http/Api/HomeController.ts
+++ b/app/Controllers/Http/Api/HomeController.ts
@@ -53,4 +53,91 @@ export default class HomeController {
             });
         }
     }
+
+    public async findPublicationsPerMonth({ response }: HttpContextContract) {
+        const serverState = 'published';
+        // const year = params.year;
+        // const from = parseInt(year);
+        try {
+
+            // const datasets = await Database.from('documents as doc')
+            //     .select([Database.raw(`date_part('month', server_date_published) as pub_month`), Database.raw('COUNT(*) as count')])
+            //     .where('server_state', serverState)
+            //     .innerJoin('link_documents_persons as ba', 'doc.id', 'ba.document_id')
+            //     .andWhereRaw(`date_part('year', server_date_published) = ?`, [from])
+            //     .groupBy('pub_month');
+            //     // .orderBy('server_date_published');
+
+            const years = [2021, 2022, 2023]; // Add the second year
+
+            const result = await Database.from('documents as doc')
+                .select([
+                    Database.raw(`date_part('year', server_date_published) as pub_year`),
+                    Database.raw(`date_part('month', server_date_published) as pub_month`),
+                    Database.raw('COUNT(*) as count'),
+                ])
+                .where('server_state', serverState)
+                // .innerJoin('link_documents_persons as ba', 'doc.id', 'ba.document_id')
+                // .whereIn('pub_year', years) // Filter by both years
+                .whereRaw(`date_part('year', server_date_published) IN (${years.join(',')})`) // Filter by both years
+                .groupBy('pub_year', 'pub_month')
+                .orderBy('pub_year', 'asc')
+                .orderBy('pub_month', 'asc');
+                            
+            const labels = Array.from({ length: 12 }, (_, i) => i + 1); // Assuming 12 months
+
+            const inputDatasets: Map<string, ChartDataset> = result.reduce((acc, item) => {
+                const { pub_year, pub_month, count } = item;
+
+                if (!acc[pub_year]) {
+                    acc[pub_year] = {
+                        data: Array.from({ length: 12 }).fill(0),
+                        label: pub_year.toString(),
+                        borderColor: this.getRandomHexColor, // pub_year === 2022 ? '#3e95cd' : '#8e5ea2',
+                        fill: false,
+                    };
+                }
+
+                acc[pub_year].data[pub_month - 1] = parseInt(count);
+
+                return acc ;
+            }, {});
+
+            const outputDatasets = Object.entries(inputDatasets).map(([year, data]) => ({
+                data: data.data,
+                label: year,
+                borderColor: data.borderColor,
+                fill: data.fill
+              }));
+
+            const data = {
+                labels: labels,
+                datasets: outputDatasets,
+            };
+
+            return response.json(data);
+        } catch (error) {
+            return response.status(StatusCodes.INTERNAL_SERVER_ERROR).json({
+                message: error.message || 'Some error occurred while retrieving datasets.',
+            });
+        }
+    }
+
+    private getRandomHexColor() {
+        const letters = '0123456789ABCDEF';
+        let color = '#';
+    
+        for (let i = 0; i < 6; i++) {
+            color += letters[Math.floor(Math.random() * 16)];
+        }
+    
+        return color;
+    }
+}
+interface ChartDataset {
+    data: Array<number>;
+    label: string;
+    borderColor: string;
+    fill: boolean;
+
 }
diff --git a/commands/ValidateChecksum.ts b/commands/ValidateChecksum.ts
index ce25b83..beb84dc 100644
--- a/commands/ValidateChecksum.ts
+++ b/commands/ValidateChecksum.ts
@@ -36,8 +36,12 @@ export default class ValidateChecksum extends BaseCommand {
         const { default: File } = await import('App/Models/File');
         // const { default: HashValue } = await  (await (import ('App/Models/HashValue')));
 
-        // query all files from database:
-        const files = await File.query().preload('hashvalues');
+        // query all published files from database:
+        const files = await File.query()
+            .whereHas('dataset', (dQuery) => {
+                dQuery.where('server_state', 'published');
+            })
+            .preload('hashvalues');
 
         // const logLevel = Config.get('app.logger.level', 'info');
         // console.log(this.logger.)
@@ -56,7 +60,7 @@ export default class ValidateChecksum extends BaseCommand {
             }
 
             if (hashValue['md5'] === calculatedMd5FileHash) {
-                Logger.info(`File id ${file.id}: stored md5 checksum: ${calculatedMd5FileHash}, control md5 checksum: ${hashValue['md5']}`);
+                Logger.info(`File id ${file.id} OK: stored md5 checksum: ${calculatedMd5FileHash}, same control md5 checksum: ${hashValue['md5']}`);
             } else {
                 Logger.error(
                     `File id ${file.id}: stored md5 checksum: ${calculatedMd5FileHash}, control md5 checksum: ${hashValue['md5']}`,
diff --git a/package-lock.json b/package-lock.json
index 6b307d6..96acef8 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -916,9 +916,9 @@
             }
         },
         "node_modules/@babel/helper-create-class-features-plugin": {
-            "version": "7.23.9",
-            "resolved": "https://registry.npmjs.org/@babel/helper-create-class-features-plugin/-/helper-create-class-features-plugin-7.23.9.tgz",
-            "integrity": "sha512-B2L9neXTIyPQoXDm+NtovPvG6VOLWnaXu3BIeVDWwdKFgG30oNa6CqVGiJPDWQwIAK49t9gnQI9c6K6RzabiKw==",
+            "version": "7.23.10",
+            "resolved": "https://registry.npmjs.org/@babel/helper-create-class-features-plugin/-/helper-create-class-features-plugin-7.23.10.tgz",
+            "integrity": "sha512-2XpP2XhkXzgxecPNEEK8Vz8Asj9aRxt08oKOqtiZoqV2UGZ5T+EkyP9sXQ9nwMxBIG34a7jmasVqoMop7VdPUw==",
             "dev": true,
             "dependencies": {
                 "@babel/helper-annotate-as-pure": "^7.22.5",
@@ -4101,9 +4101,9 @@
             }
         },
         "node_modules/@types/geojson": {
-            "version": "7946.0.13",
-            "resolved": "https://registry.npmjs.org/@types/geojson/-/geojson-7946.0.13.tgz",
-            "integrity": "sha512-bmrNrgKMOhM3WsafmbGmC+6dsF2Z308vLFsQ3a/bT8X8Sv5clVYpPars/UPq+sAaJP+5OoLAYgwbkS5QEJdLUQ==",
+            "version": "7946.0.14",
+            "resolved": "https://registry.npmjs.org/@types/geojson/-/geojson-7946.0.14.tgz",
+            "integrity": "sha512-WCfD5Ht3ZesJUsONdhvm84dmzWOiOzOAqOncN0++w0lBw1o8OuDNJF2McvvCef/yBqb/HYRahp1BYtODFQ8bRg==",
             "dev": true
         },
         "node_modules/@types/glob": {
@@ -4228,9 +4228,9 @@
             "dev": true
         },
         "node_modules/@types/node": {
-            "version": "20.11.10",
-            "resolved": "https://registry.npmjs.org/@types/node/-/node-20.11.10.tgz",
-            "integrity": "sha512-rZEfe/hJSGYmdfX9tvcPMYeYPW2sNl50nsw4jZmRcaG0HIAb0WYEpsB05GOb53vjqpyE9GUhlDQ4jLSoB5q9kg==",
+            "version": "20.11.16",
+            "resolved": "https://registry.npmjs.org/@types/node/-/node-20.11.16.tgz",
+            "integrity": "sha512-gKb0enTmRCzXSSUJDq6/sPcqrfCv2mkkG6Jt/clpn5eiCbKTY+SgZUxo+p8ZKMof5dCp9vHQUAB7wOUTod22wQ==",
             "dependencies": {
                 "undici-types": "~5.26.4"
             }
@@ -6368,9 +6368,9 @@
             }
         },
         "node_modules/caniuse-lite": {
-            "version": "1.0.30001581",
-            "resolved": "https://registry.npmjs.org/caniuse-lite/-/caniuse-lite-1.0.30001581.tgz",
-            "integrity": "sha512-whlTkwhqV2tUmP3oYhtNfaWGYHDdS3JYFQBKXxcUR9qqPWsRhFHhoISO2Xnl/g0xyKzht9mI1LZpiNWfMzHixQ==",
+            "version": "1.0.30001583",
+            "resolved": "https://registry.npmjs.org/caniuse-lite/-/caniuse-lite-1.0.30001583.tgz",
+            "integrity": "sha512-acWTYaha8xfhA/Du/z4sNZjHUWjkiuoAi2LM+T/aL+kemKQgPT1xBb/YKjlQ0Qo8gvbHsGNplrEJ+9G3gL7i4Q==",
             "dev": true,
             "funding": [
                 {
@@ -7175,9 +7175,9 @@
             }
         },
         "node_modules/css-loader": {
-            "version": "6.9.1",
-            "resolved": "https://registry.npmjs.org/css-loader/-/css-loader-6.9.1.tgz",
-            "integrity": "sha512-OzABOh0+26JKFdMzlK6PY1u5Zx8+Ck7CVRlcGNZoY9qwJjdfu2VWFuprTIpPW+Av5TZTVViYWcFQaEEQURLknQ==",
+            "version": "6.10.0",
+            "resolved": "https://registry.npmjs.org/css-loader/-/css-loader-6.10.0.tgz",
+            "integrity": "sha512-LTSA/jWbwdMlk+rhmElbDR2vbtQoTBPr7fkJE+mxrHj+7ru0hUmHafDRzWIjIHTwpitWVaqY2/UWGRca3yUgRw==",
             "dev": true,
             "dependencies": {
                 "icss-utils": "^5.1.0",
@@ -7197,7 +7197,16 @@
                 "url": "https://opencollective.com/webpack"
             },
             "peerDependencies": {
+                "@rspack/core": "0.x || 1.x",
                 "webpack": "^5.0.0"
+            },
+            "peerDependenciesMeta": {
+                "@rspack/core": {
+                    "optional": true
+                },
+                "webpack": {
+                    "optional": true
+                }
             }
         },
         "node_modules/css-minimizer-webpack-plugin": {
@@ -8112,9 +8121,9 @@
             "integrity": "sha512-WMwm9LhRUo+WUaRN+vRuETqG89IgZphVSNkdFgeb6sS/E4OrDIN7t48CAewSHXc6C8lefD8KKfr5vY61brQlow=="
         },
         "node_modules/electron-to-chromium": {
-            "version": "1.4.650",
-            "resolved": "https://registry.npmjs.org/electron-to-chromium/-/electron-to-chromium-1.4.650.tgz",
-            "integrity": "sha512-sYSQhJCJa4aGA1wYol5cMQgekDBlbVfTRavlGZVr3WZpDdOPcp6a6xUnFfrt8TqZhsBYYbDxJZCjGfHuGupCRQ==",
+            "version": "1.4.655",
+            "resolved": "https://registry.npmjs.org/electron-to-chromium/-/electron-to-chromium-1.4.655.tgz",
+            "integrity": "sha512-2yszojF7vIZ68adIOvzV4bku8OZad9w5H9xF3ZAMZjPuOjBarlflUkjN6DggdV+L71WZuKUfKUhov/34+G5QHg==",
             "dev": true
         },
         "node_modules/emittery": {
@@ -8201,9 +8210,9 @@
             }
         },
         "node_modules/envinfo": {
-            "version": "7.11.0",
-            "resolved": "https://registry.npmjs.org/envinfo/-/envinfo-7.11.0.tgz",
-            "integrity": "sha512-G9/6xF1FPbIw0TtalAMaVPpiq2aDEuKLXM314jPVAO9r2fo2a4BLqMNkmRS7O/xPPZ+COAhGIz3ETvHEV3eUcg==",
+            "version": "7.11.1",
+            "resolved": "https://registry.npmjs.org/envinfo/-/envinfo-7.11.1.tgz",
+            "integrity": "sha512-8PiZgZNIB4q/Lw4AhOvAfB/ityHAd2bli3lESSWmWSzSsl5dKpy5N1d1Rfkd2teq/g9xN90lc6o98DOjMeYHpg==",
             "dev": true,
             "peer": true,
             "bin": {
@@ -10195,9 +10204,9 @@
             }
         },
         "node_modules/ignore": {
-            "version": "5.3.0",
-            "resolved": "https://registry.npmjs.org/ignore/-/ignore-5.3.0.tgz",
-            "integrity": "sha512-g7dmpshy+gD7mh88OC9NwSGTKoc3kyLAZQRU1mt53Aw/vnvfXnbC+F/7F7QoYVKbV+KNvJx8wArewKy1vXMtlg==",
+            "version": "5.3.1",
+            "resolved": "https://registry.npmjs.org/ignore/-/ignore-5.3.1.tgz",
+            "integrity": "sha512-5Fytz/IraMjqpwfd34ke28PTVMjZjJG2MPn5t7OE4eUCUNf8BAa7b5WUS9/Qvr6mwOQS7Mk6vdsMno5he+T8Xw==",
             "dev": true,
             "engines": {
                 "node": ">= 4"
@@ -11573,9 +11582,9 @@
             "integrity": "sha512-QS9p+Q20YBxpE0dJBnF6CPURP7p1GUsxnhTxTWH5nG3A1F5w8Rg3T4Xyh5UlrFSbHp88oOciVP/0agsNLhkHdQ=="
         },
         "node_modules/magic-string": {
-            "version": "0.30.5",
-            "resolved": "https://registry.npmjs.org/magic-string/-/magic-string-0.30.5.tgz",
-            "integrity": "sha512-7xlpfBaQaP/T6Vh8MO/EqXSW5En6INHEvEXQiuff7Gku0PWjU3uf6w/j9o7O+SpB5fOAkrI5HeoNgwjEO0pFsA==",
+            "version": "0.30.6",
+            "resolved": "https://registry.npmjs.org/magic-string/-/magic-string-0.30.6.tgz",
+            "integrity": "sha512-n62qCLbPjNjyo+owKtveQxZFZTBm+Ms6YoGD23Wew6Vw337PElFNifQpknPruVRQV57kVShPnLGo9vWxVhpPvA==",
             "dependencies": {
                 "@jridgewell/sourcemap-codec": "^1.4.15"
             },
@@ -11850,12 +11859,13 @@
             }
         },
         "node_modules/mini-css-extract-plugin": {
-            "version": "2.7.7",
-            "resolved": "https://registry.npmjs.org/mini-css-extract-plugin/-/mini-css-extract-plugin-2.7.7.tgz",
-            "integrity": "sha512-+0n11YGyRavUR3IlaOzJ0/4Il1avMvJ1VJfhWfCn24ITQXhRr1gghbhhrda6tgtNcpZaWKdSuwKq20Jb7fnlyw==",
+            "version": "2.8.0",
+            "resolved": "https://registry.npmjs.org/mini-css-extract-plugin/-/mini-css-extract-plugin-2.8.0.tgz",
+            "integrity": "sha512-CxmUYPFcTgET1zImteG/LZOy/4T5rTojesQXkSNBiquhydn78tfbCE9sjIjnJ/UcjNjOC1bphTCCW5rrS7cXAg==",
             "dev": true,
             "dependencies": {
-                "schema-utils": "^4.0.0"
+                "schema-utils": "^4.0.0",
+                "tapable": "^2.2.1"
             },
             "engines": {
                 "node": ">= 12.13.0"
@@ -13070,9 +13080,9 @@
             }
         },
         "node_modules/pinia/node_modules/vue-demi": {
-            "version": "0.14.6",
-            "resolved": "https://registry.npmjs.org/vue-demi/-/vue-demi-0.14.6.tgz",
-            "integrity": "sha512-8QA7wrYSHKaYgUxDA5ZC24w+eHm3sYCbp0EzcDwKqN3p6HqtTCGR/GVsPyZW92unff4UlcSh++lmqDWN3ZIq4w==",
+            "version": "0.14.7",
+            "resolved": "https://registry.npmjs.org/vue-demi/-/vue-demi-0.14.7.tgz",
+            "integrity": "sha512-EOG8KXDQNwkJILkx/gPcoL/7vH+hORoBaKgGe+6W7VFMvCYJfmF2dGbvgDroVnI8LU7/kTu8mbjRZGBU1z9NTA==",
             "dev": true,
             "hasInstallScript": true,
             "bin": {
@@ -17191,9 +17201,9 @@
             }
         },
         "node_modules/webpack": {
-            "version": "5.90.0",
-            "resolved": "https://registry.npmjs.org/webpack/-/webpack-5.90.0.tgz",
-            "integrity": "sha512-bdmyXRCXeeNIePv6R6tGPyy20aUobw4Zy8r0LUS2EWO+U+Ke/gYDgsCh7bl5rB6jPpr4r0SZa6dPxBxLooDT3w==",
+            "version": "5.90.1",
+            "resolved": "https://registry.npmjs.org/webpack/-/webpack-5.90.1.tgz",
+            "integrity": "sha512-SstPdlAC5IvgFnhiRok8hqJo/+ArAbNv7rhU4fnWGHNVfN59HSQFaxZDSAL3IFG2YmqxuRs+IU33milSxbPlog==",
             "dev": true,
             "peer": true,
             "dependencies": {
diff --git a/resources/js/Components/Charts/LineChart.vue b/resources/js/Components/Charts/LineChart.vue
index 02745b3..c4bf1f5 100644
--- a/resources/js/Components/Charts/LineChart.vue
+++ b/resources/js/Components/Charts/LineChart.vue
@@ -1,7 +1,29 @@
-<script setup>
+<script lang="ts" setup>
 import { ref, watch, computed, onMounted } from 'vue';
-import { Chart, LineElement, PointElement, LineController, LinearScale, CategoryScale, Tooltip } from 'chart.js';
+import { Chart, LineElement, PointElement, LineController, LinearScale, CategoryScale, Tooltip, registerables } from 'chart.js';
+import { Ref } from 'vue';
+import { ChartDataCustomTypesPerDataset } from 'chart.js';
 
+
+// interface Dataset {
+
+//     borderColor: string;
+//     // borderDash:
+//     // (0) []
+//     borderDashOffset: number;
+//     borderWidth: number;
+//     cubicInterpolationMode: string;
+//     data: Array<number>;
+//     fill: boolean;
+//     pointBackgroundColor: string;
+//     pointBorderColor: string;
+//     pointBorderWidth: number;
+//     pointHoverBackgroundColor: string;
+//     pointHoverBorderWidth: number;
+//     pointHoverRadius: number;
+//     pointRadius: number;
+//     tension: number;
+// }
 const props = defineProps({
     data: {
         type: Object,
@@ -9,16 +31,38 @@ const props = defineProps({
     },
 });
 
-const root = ref(null);
+const root: Ref<HTMLCanvasElement | null> = ref<HTMLCanvasElement | null>(null);
 
 let chart;
 
 Chart.register(LineElement, PointElement, LineController, LinearScale, CategoryScale, Tooltip);
 
 onMounted(() => {
+    Chart.register(...registerables);
+
+    // https://gitea.geologie.ac.at/kaiarn/geomon.viewer/src/branch/master/src/common/graphjs/geomon-timeseries-chart/geomon-timeseries-chart.component.ts
     chart = new Chart(root.value, {
         type: 'line',
-        data: props.data,
+        data: props.data as ChartDataCustomTypesPerDataset<"line", number[], string>,
+        // data: {
+        //     labels: ["Jan", "Feb", "Mar", "Apr", "May", "Jun", "Jul", "Aug", "Sep", "Oct", "Nov", "Dec"],
+        //     // labels: [],
+        //     datasets: [
+        //             {
+        //             data: [86, 114, 106, 106, 107, 111, 133, 221, 783, 2478, 2600, 2700],
+        //             label: "Africa",
+        //             borderColor: "#3e95cd",
+        //             fill: false
+        //         }, {
+        //             data: [282, 350, 411, 502, 635, 809, 947, 1402, 3700, 5267, 444, 555],
+        //             label: "Asia",
+        //             borderColor: "#8e5ea2",
+        //             fill: false
+        //         }
+        //     ]
+        // },
+
+
         options: {
             responsive: true,
             maintainAspectRatio: false,
@@ -32,11 +76,12 @@ onMounted(() => {
             },
             plugins: {
                 legend: {
-                    display: false,
+                    display: true,
                 },
             },
         },
     });
+
 });
 
 const chartData = computed(() => props.data);
diff --git a/resources/js/Components/Charts/chart.config.js b/resources/js/Components/Charts/chart.config.js
index 97ebf07..803fba7 100644
--- a/resources/js/Components/Charts/chart.config.js
+++ b/resources/js/Components/Charts/chart.config.js
@@ -36,7 +36,7 @@ const datasetObject = (color, points) => {
     };
 };
 
-export const sampleChartData = (points = 9) => {
+export const sampleChartData = (points = 12) => {
     const labels = [];
 
     for (let i = 1; i <= points; i++) {
diff --git a/resources/js/Dataset.ts b/resources/js/Dataset.ts
index 2488759..5dc6799 100644
--- a/resources/js/Dataset.ts
+++ b/resources/js/Dataset.ts
@@ -34,7 +34,7 @@ export interface Dataset {
         | Array<DatasetReference>
         | Array<File>
         | (Array<number> | Array<Object>);
-    language: Ref<string>;
+    language: string;
     licenses: Array<number> | Array<Object>;
     rights: boolean;
     type: string;
diff --git a/resources/js/Pages/Dashboard.vue b/resources/js/Pages/Dashboard.vue
index 29a34cf..f888b73 100644
--- a/resources/js/Pages/Dashboard.vue
+++ b/resources/js/Pages/Dashboard.vue
@@ -14,7 +14,7 @@ import {
     mdiChartPie,
 } from '@mdi/js';
 // import { containerMaxW } from '@/config.js'; // "xl:max-w-6xl xl:mx-auto"
-import * as chartConfig from '@/Components/Charts/chart.config.js';
+// import * as chartConfig from '@/Components/Charts/chart.config.js';
 import LineChart from '@/Components/Charts/LineChart.vue';
 import SectionMain from '@/Components/SectionMain.vue';
 import CardBoxWidget from '@/Components/CardBoxWidget.vue';
@@ -27,14 +27,19 @@ import CardBoxClient from '@/Components/CardBoxClient.vue';
 import LayoutAuthenticated from '@/Layouts/LayoutAuthenticated.vue';
 import SectionTitleLineWithButton from '@/Components/SectionTitleLineWithButton.vue';
 import SectionBannerStarOnGitHub from '@/Components/SectionBannerStarOnGitea.vue';
-const chartData = ref();
-const fillChartData = () => {
-    chartData.value = chartConfig.sampleChartData();
+const mainService = MainService()
+
+// const chartData = ref();
+const fillChartData = async () => {
+    await mainService.fetchChartData(2022);
+    // chartData.value = chartConfig.sampleChartData();
+    // chartData.value = mainService.graphData;
 };
-onMounted(() => {
-    fillChartData();
+const chartData = computed(() => mainService.graphData);
+onMounted(async () => {
+    await mainService.fetchChartData(2022);
 });
-const mainService = MainService();
+;
 /* Fetch sample data */
 mainService.fetch('clients');
 mainService.fetch('history');
@@ -131,7 +136,7 @@ const datasets = computed(() => mainService.datasets);
 
             <SectionBannerStarOnGitHub />
 
-            <SectionTitleLineWithButton :icon="mdiChartPie" title="Trends overview (to do publications per year)" />
+            <SectionTitleLineWithButton :icon="mdiChartPie" title="Trends overview: Publications per month" />
             <CardBox title="Performance" :icon="mdiFinance" :header-icon="mdiReload" class="mb-6" @header-icon-click="fillChartData">
                 <div v-if="chartData">
                     <line-chart :data="chartData" class="h-96" />
diff --git a/resources/js/Pages/Submitter/Dataset/Create.vue b/resources/js/Pages/Submitter/Dataset/Create.vue
index 964cf7f..0353763 100644
--- a/resources/js/Pages/Submitter/Dataset/Create.vue
+++ b/resources/js/Pages/Submitter/Dataset/Create.vue
@@ -110,13 +110,13 @@ let dataset: Dataset;
 if (Object.keys(mainService.dataset).length == 0) {
     // language = ref('');
     dataset = {
-        language: language,
+        language: language.value,
         licenses: [],
         rights: false,
         type: '',
         creating_corporation: 'Tethys RDR',
-        titles: [{ value: '', type: 'Main', language: language }],
-        descriptions: [{ value: '', type: 'Abstract', language: language }],
+        titles: [{ value: '', type: 'Main', language: language.value }],
+        descriptions: [{ value: '', type: 'Abstract', language: language.value }],
         authors: [],
         contributors: [],
         project_id: undefined,
@@ -150,11 +150,11 @@ if (Object.keys(mainService.dataset).length == 0) {
     // mainService.setDataset(dataset, language);
 } else {
     // console.log(mainService.dataset);
-    language = ref(mainService.dataset.language);
+    language.value = mainService.dataset.language;
 
     // dataset = mainService.dataset;
     dataset = {
-        language: language,
+        language: mainService.dataset.language,
         licenses: mainService.dataset.licenses,
         rights: mainService.dataset.rights,
         type: mainService.dataset.type,
@@ -171,20 +171,23 @@ if (Object.keys(mainService.dataset).length == 0) {
         files: mainService.dataset.files,
         // upload: mainService.dataset.upload,
     };
-    for (let index in mainService.dataset.titles) {
-        let title: Title = mainService.dataset.titles[index];
-        if (title.type == 'Main') {
-            title.language = language;
-        }
-    }
-    for (let index in mainService.dataset.descriptions) {
-        let description: Description = mainService.dataset.descriptions[index];
-        if (description.type == 'Abstract') {
-            description.language = language;
-        }
-    }
+    // for (let index in mainService.dataset.titles) {
+    //     let title: Title = mainService.dataset.titles[index];
+    //     if (title.type == 'Main') {
+    //         title.language = language;
+    //     }
+    // }
+    // for (let index in mainService.dataset.descriptions) {
+    //     let description: Description = mainService.dataset.descriptions[index];
+    //     if (description.type == 'Abstract') {
+    //         description.language = language;
+    //     }
+    // }
 }
 
+
+
+
 // const form = useForm<Dataset>({
 //     language: language,
 //     licenses: [],
@@ -205,6 +208,21 @@ let form = useForm<Dataset>(dataset as Dataset);
 //     },
 // });
 
+watch(language, (currentValue) => {
+    if (currentValue != "") {
+        form.language = currentValue;
+        const mainTitle = form.titles?.find((title) => title.type === 'Main');
+        if (mainTitle) {
+            mainTitle.language = currentValue;
+        }
+        const mainAbstract = form.descriptions?.find((desc) => desc.type === 'Abstract');
+        if (mainAbstract) {
+            mainAbstract.language = currentValue;
+        }
+        mainService.setDataset(form.data());
+    }
+});
+
 let elevation = ref('no_elevation');
 watch(elevation, (currentValue) => {
     if (currentValue == 'absolut') {
@@ -297,7 +315,7 @@ const submit = async () => {
     // formStep.value++;
     await form
         .transform((data) => ({
-            ...data,           
+            ...data,
             files: files,
             rights: form.rights && form.rights == true ? 'true' : 'false',
         }))
@@ -498,7 +516,7 @@ Removes a selected keyword
                         <div class="flex flex-col md:flex-row">
                             <FormField label="Language *" help="required: select dataset main language"
                                 :class="{ 'text-red-400': errors.language }" class="w-full mx-2 flex-1">
-                                <FormControl required v-model="form.language" :type="'select'"
+                                <FormControl required v-model="language" :type="'select'"
                                     placeholder="[Enter Language]" :errors="form.errors.language"
                                     :options="{ de: 'de', en: 'en' }">
                                     <div class="text-red-400 text-sm" v-if="form.errors.language">
diff --git a/resources/js/Stores/main.ts b/resources/js/Stores/main.ts
index 2b31f78..255fc8f 100644
--- a/resources/js/Stores/main.ts
+++ b/resources/js/Stores/main.ts
@@ -67,6 +67,8 @@ export const MainService = defineStore('main', {
         menu: menu,
 
         totpState: 0,
+
+        graphData: {},
     }),
     actions: {
         // payload = authenticated user
@@ -165,6 +167,20 @@ export const MainService = defineStore('main', {
             this.totpState = state;
         },
 
+        async fetchChartData(year) {
+            // sampleDataKey= authors or datasets
+            axios
+                .get(`/api/statistic/${year}`)
+                .then((r) => {
+                    if (r.data) {
+                        this.graphData = r.data;
+                    }
+                })
+                .catch((error) => {
+                    alert(error.message);
+                });
+        },
+
         // fetchfiles(id) {
         //     // sampleDataKey= authors or datasets
         //     axios
diff --git a/start/routes/api.ts b/start/routes/api.ts
index c69e3bd..2acdbe3 100644
--- a/start/routes/api.ts
+++ b/start/routes/api.ts
@@ -16,6 +16,7 @@ Route.group(() => {
         Route.get('/dataset/:publish_id', 'DatasetController.findOne').as('dataset.findOne');
         Route.get('/sitelinks/:year', 'HomeController.findDocumentsPerYear');
         Route.get('/years', 'HomeController.findYears');
+        Route.get('/statistic/:year', 'HomeController.findPublicationsPerMonth');
 
         Route.get('/download/:id', 'FileController.findOne').as('file.findOne');