diff --git a/CHANGELOG.md b/CHANGELOG.md
index c8e7be5..f36d2bd 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,10 @@
 # Changelog
 
+## 1.1.0 - 2024-09-27
+### Changed
+- aggregate very old server versions to minor version
+- display only top 5 in charts
+
 ## 1.0.0 - 2024-09-20
 ### Added
 - NC29 compatibility
diff --git a/appinfo/info.xml b/appinfo/info.xml
index 6326751..e566be0 100644
--- a/appinfo/info.xml
+++ b/appinfo/info.xml
@@ -6,11 +6,11 @@
     <licence>AGPL</licence>
     <author>Bjoern Schiessle</author>
     <author>Marcel Scherello</author>
-    <version>1.0.0</version>
+    <version>1.1.0</version>
     <namespace>SurveyServer</namespace>
     <category>other</category>
     <dependencies>
-        <nextcloud min-version="25" max-version="29"/>
+        <nextcloud min-version="25" max-version="30"/>
     </dependencies>
     <settings>
         <admin-section>OCA\SurveyServer\Settings\AdminSection</admin-section>
diff --git a/js/script.js b/js/script.js
index 857a29a..ff0e88d 100644
--- a/js/script.js
+++ b/js/script.js
@@ -112,19 +112,29 @@
             let colors = ["#aec7e8", "#ffbb78", "#98df8a", "#ff9896", "#c5b0d5", "#c49c94", "#f7b6d2", "#c7c7c7", "#dbdb8d", "#9edae5"];
             let counter = 0;
 
-            for (let key in rawdata) {
-                let colorIndex = counter - (Math.floor(counter / colors.length) * colors.length)
-                var span = document.createElement('span');
-                span.textContent = key + ': ' + rawdata[key];
-                details.appendChild(span);
+            // Convert rawdata to an array of [key, value] pairs and sort by value in descending order
+            let sortedData = Object.entries(rawdata).sort((a, b) => b[1] - a[1]);
 
-                var br = document.createElement('br');
-                details.appendChild(br);
+            // Extract top 5 values and aggregate the rest
+            let topData = sortedData.slice(0, 5);
+            let othersData = sortedData.slice(5);
 
+            // Calculate the sum of the remaining values
+            let othersSum = othersData.reduce((sum, item) => sum + item[1], 0);
+
+            // Add top 5 values to chart data
+            topData.forEach(([key, value]) => {
                 chartLabels.push(key);
-                data.push(rawdata[key]);
-                backgroundColor.push(colors[colorIndex]);
+                data.push(value);
+                backgroundColor.push(colors[counter % colors.length]);
                 counter++;
+            });
+
+            // Add "Others" category if there are remaining values
+            if (othersSum > 0) {
+                chartLabels.push('Others');
+                data.push(othersSum);
+                backgroundColor.push(colors[counter % colors.length]);
             }
 
             let chartData = {
@@ -147,6 +157,16 @@
                     }
                 }
             });
+
+            // List all values in the details section
+            Object.entries(rawdata).forEach(([key, value]) => {
+                var span = document.createElement('span');
+                span.textContent = key + ': ' + value;
+                details.appendChild(span);
+
+                var br = document.createElement('br');
+                details.appendChild(br);
+            });
         };
 
         $.get(
diff --git a/js/settings/admin.js b/js/settings/admin.js
index e5e098c..8ee56d1 100644
--- a/js/settings/admin.js
+++ b/js/settings/admin.js
@@ -9,7 +9,8 @@ document.addEventListener('DOMContentLoaded', function () {
     document.getElementById('surveyYearsSave').addEventListener('click', surveyYearsSave);
 
     function surveyYearsSave() {
-        let params = 'time=' + document.getElementById('deletion_time').value;
+        let params = 'deletion_time=' + document.getElementById('deletion_time').value
+        + '&version_aggregation=' + document.getElementById('version_aggregation').value;
         let xhr = new XMLHttpRequest();
         xhr.open('POST', OC.generateUrl('apps/survey_server/settings', true), true);
         xhr.setRequestHeader('requesttoken', OC.requestToken);
diff --git a/lib/BackgroundJobs/ComputeStatistics.php b/lib/BackgroundJobs/ComputeStatistics.php
index a0bb01b..6e21be5 100644
--- a/lib/BackgroundJobs/ComputeStatistics.php
+++ b/lib/BackgroundJobs/ComputeStatistics.php
@@ -44,7 +44,7 @@ public function __construct(
 		$this->connection = $connection ? $connection : \OC::$server->getDatabaseConnection();
 		$this->config = $config = $config ? $config : \OC::$server->getConfig();
 		$this->EvaluateStatistics = $EvaluateStatistics ? $EvaluateStatistics : new EvaluateStatistics();
-		$this->setInterval(60 * 60); //todo
+		$this->setInterval(60); //todo
 	}
 
 	/**
@@ -68,6 +68,9 @@ protected function run($argument) {
 		$this->logger->info('computing apps');
 		$newResult['apps'] = $this->getApps();
 
+		$this->logger->info('computing max instances');
+		$newResult['max'] = $this->getInstanceMaxUser();
+
 		$this->config->setValueString('survey_server', 'evaluated_statistics', json_encode($newResult));
 		$this->logger->info('computing done');
 	}
@@ -205,35 +208,12 @@ private function getNumericalEvaluatedStatistics($category, $key) {
 	}
 
 	private function clearValue($category, $key, $value): string {
-		if (strpos($key, 'memcache.') === 0) {
+		if ($category === 'server' && strpos($key, 'memcache.') === 0) {
 			return $value !== '' ? trim($value, '\\') : 'none';
 		}
 
 		if ($key === 'version') {
-			$version = explode('.', $value);
-			$majorMinorVersion = $version[0] . '.' . (int)$version[1];
-
-			if ($category === 'server') {
-				return $majorMinorVersion . '.' . $version[2];
-			}
-
-			if ($category === 'database') {
-				switch ($version[0]) {
-					case '2':
-					case '3':
-						return 'SQLite ' . $majorMinorVersion;
-					case '5':
-					case '6':
-						return 'MySQL ' . $majorMinorVersion;
-					case '10':
-					case '11':
-						return 'MariaDB ' . $majorMinorVersion;
-					default:
-						return $majorMinorVersion;
-				}
-			}
-
-			return $majorMinorVersion;
+			return $this->clearVersionValue($category, $value);
 		}
 
 		if ($key === 'max_execution_time') {
@@ -243,6 +223,46 @@ private function clearValue($category, $key, $value): string {
 		return (string)$value;
 	}
 
+	private function clearVersionValue($category, $value): string {
+		$versionAggregation = $this->config->getValueString('survey_server', 'version_aggregation', '25');
+
+		$version = explode('.', $value);
+		$majorMinorVersion = $version[0] . '.' . (int)$version[1];
+
+		if ($category === 'server') {
+			if ($version[0] < $versionAggregation) {
+				// for old versions, we aggregate to minor only
+				$version[2] = 'x';
+			}
+			return $majorMinorVersion . '.' . $version[2];
+		}
+
+		if ($category === 'database') {
+			return $this->clearDatabaseVersion($version[0], $majorMinorVersion);
+		}
+
+		return $majorMinorVersion;
+	}
+
+	private function clearDatabaseVersion($majorVersion, $majorMinorVersion): string {
+		switch ($majorVersion) {
+			case '2':
+			case '3':
+				return 'SQLite ' . $majorMinorVersion;
+			case '5':
+			case '6':
+			case '7':
+			case '8':
+			case '9':
+				return 'MySQL ' . $majorMinorVersion;
+			case '10':
+			case '11':
+				return 'MariaDB ' . $majorMinorVersion;
+			default:
+				return $majorMinorVersion;
+		}
+	}
+
 
 	/**
 	 * get statistic of enabled apps
@@ -280,6 +300,21 @@ private function getApps(): array {
 		return $statistics;
 	}
 
+	private function getInstanceMaxUser() {
+		$query = $this->connection->getQueryBuilder();
+		$result = $query->select('source')
+						->from($this->table)
+						->where($query->expr()->eq('category', $query->createNamedParameter('stats')))
+						->andWhere($query->expr()->eq('key', $query->createNamedParameter('num_users')))
+						->orderBy('value', 'DESC')
+						->setMaxResults(5)
+						->executeQuery();
+
+		$top5Ids = $result->fetchAll();
+		$result->closeCursor();
+
+		return $top5Ids;
+	}
 
 	/**
 	 * @throws Exception
diff --git a/lib/Controller/SettingsController.php b/lib/Controller/SettingsController.php
index 68b6173..45ce210 100644
--- a/lib/Controller/SettingsController.php
+++ b/lib/Controller/SettingsController.php
@@ -31,10 +31,11 @@ public function __construct(
 	 * update settings
 	 *
 	 * @NoAdminRequired
-	 * @param int $time
+	 * @param int $deletion_time
+	 * @param int $version_aggregation
 	 * @return DataResponse
 	 */
-	public function update(int $time): DataResponse {
-		return new DataResponse($this->SettingsService->update($time));
+	public function update(int $deletion_time, int $version_aggregation): DataResponse {
+		return new DataResponse($this->SettingsService->update($deletion_time, $version_aggregation));
 	}
 }
\ No newline at end of file
diff --git a/lib/Service/SettingsService.php b/lib/Service/SettingsService.php
index ce1f0d8..94b6de4 100644
--- a/lib/Service/SettingsService.php
+++ b/lib/Service/SettingsService.php
@@ -19,8 +19,9 @@ public function __construct(IAppConfig $config) {
 		$this->config = $config;
 	}
 
-	public function update(int $time): int {
-		$this->config->setValueString('survey_server', 'deletion_time', $time);
-		return $time;
+	public function update(int $deletion_time, int $version_aggregation): int {
+		$this->config->setValueString('survey_server', 'deletion_time', $deletion_time);
+		$this->config->setValueString('survey_server', 'version_aggregation', $version_aggregation);
+		return $deletion_time;
 	}
 }
\ No newline at end of file
diff --git a/lib/Settings/Admin.php b/lib/Settings/Admin.php
index 2889a58..870b1f8 100644
--- a/lib/Settings/Admin.php
+++ b/lib/Settings/Admin.php
@@ -33,7 +33,9 @@ public function getForm()
     {
 
         $parameters = [
-            'deletion_time' => $this->configManager->getValueString('survey_server', 'deletion_time', '99')
+            'deletion_time' => $this->configManager->getValueString('survey_server', 'deletion_time', '99'),
+			'version_aggregation' => $this->configManager->getValueString('survey_server', 'version_aggregation', '25'),
+
         ];
         return new TemplateResponse('survey_server', 'settings/admin', $parameters, '');
     }
diff --git a/templates/settings/admin.php b/templates/settings/admin.php
index 8507168..3e6077a 100644
--- a/templates/settings/admin.php
+++ b/templates/settings/admin.php
@@ -14,6 +14,9 @@
         <label for="deletion_time">Data older than x years will be deleted with every statistic run:</label><br>
         <input type="text" id="deletion_time" value="<?php p($_['deletion_time']); ?>"/>
         <br><br>
+        <label for="version_aggregation">Nextcloud versions below x will be aggregated to the minor version:</label><br>
+        <input type="text" id="version_aggregation" value="<?php p($_['version_aggregation']); ?>"/>
+        <br><br>
         <button id="surveyYearsSave">Save</button>
     </div>