diff --git a/.idea/projet_programmation_web.iml b/.idea/projet_programmation_web.iml
index d05557a..929d910 100644
--- a/.idea/projet_programmation_web.iml
+++ b/.idea/projet_programmation_web.iml
@@ -6,5 +6,6 @@
     </content>
     <orderEntry type="inheritedJdk" />
     <orderEntry type="sourceFolder" forTests="false" />
+    <orderEntry type="library" name="highcharts.src" level="application" />
   </component>
 </module>
\ No newline at end of file
diff --git a/ProjetProgWeb/api.php b/ProjetProgWeb/api.php
index b98fb45..d38c3bb 100644
--- a/ProjetProgWeb/api.php
+++ b/ProjetProgWeb/api.php
@@ -24,6 +24,8 @@ $json_object = match ($q) {
     "theses" => dump::getTheses($search, $option, $offset),
     "suggestion" => dump::getSuggestions($search, $option),
     "count" => dump::getThesesCount($search, $option),
+    "years" => dump::getThesesYears($search, $option),
+    "disciplines" => dump::getThesesDisciplines($search, $option),
     default => NULL,
 };
 
diff --git a/ProjetProgWeb/app.js b/ProjetProgWeb/app.js
index 1c26646..45e3054 100644
--- a/ProjetProgWeb/app.js
+++ b/ProjetProgWeb/app.js
@@ -66,6 +66,7 @@ function apiRequestThese(search, offset) {
         emptyResults(true)
         pagesNumbers.innerHTML = ""
         loader.style.display = "block"
+        pagesNumbersContainer.style.display = 'none'
         searchString = sanitize(search)
         fetch(`api.php?q=theses&search=${searchString}&option=${queryOption}&offset=${offset}`)
             .then(response => response.json())
@@ -132,7 +133,6 @@ function displayResults(results, aCount) {
         error.classList.remove("fade-out");
         error.classList.add("fade-in");
         errorMessage.innerHTML = results.message
-        pagesNumbersContainer.style.display = 'none'
     } else if (results.status === 200) {
         count = aCount
         resultsArray = []
diff --git a/ProjetProgWeb/class/dump.php b/ProjetProgWeb/class/dump.php
index 84f180d..3586ed4 100644
--- a/ProjetProgWeb/class/dump.php
+++ b/ProjetProgWeb/class/dump.php
@@ -49,7 +49,7 @@ class dump {
         while ($obj = $stmt->fetchObject()) {
             $theses_array[$i] = array();
             foreach ($obj as $elem) {
-                array_push($theses_array[$i], empty($elem) ? "Non définit" : $elem);
+                $theses_array[$i][] = empty($elem) ? "Non définit" : $elem;
             }
             $i++;
         }
@@ -81,7 +81,7 @@ class dump {
 
         while ($obj = $stmt->fetchObject()) {
             foreach ($obj as $elem) {
-                array_push($array, $elem);
+                $array[] = $elem;
             }
         }
 
@@ -116,13 +116,94 @@ class dump {
 
         while ($obj = $stmt->fetchObject()) {
             foreach ($obj as $elem) {
-                array_push($array, $elem);
+                $array[] = $elem;
             }
         }
 
         return $array;
     }
 
+    public static function getThesesYears(string $search, string $option) : array {
+        $years_array = [];
+
+        $pdo_obj = new conf();
+        $pdo = $pdo_obj->getPDO();
+
+        $search = '%' . $search . '%';
+
+        $stmt = match ($option) {
+            'auto' => $pdo->prepare("
+                SELECT DATE_FORMAT(date_soutenance, '%Y') AS Date,
+                       COUNT(DATE_FORMAT(date_soutenance, '%Y')) AS Number
+                FROM `theses`
+                WHERE author LIKE :search
+                  OR title LIKE :search
+                  OR these_director LIKE :search
+                  OR soutenance_establishment LIKE :search
+                GROUP BY Date
+                ORDER BY Date;
+            "),
+            'author' => $pdo->prepare("SELECT DATE_FORMAT(date_soutenance, '%Y') AS Date, COUNT(DATE_FORMAT(date_soutenance, '%Y')) AS Number FROM `theses` WHERE author LIKE :search GROUP BY Date ORDER BY Date;"),
+            'title' => $pdo->prepare("SELECT DATE_FORMAT(date_soutenance, '%Y') AS Date, COUNT(DATE_FORMAT(date_soutenance, '%Y')) AS Number FROM `theses` WHERE title LIKE :search GROUP BY Date ORDER BY Date;"),
+            'director' => $pdo->prepare("SELECT DATE_FORMAT(date_soutenance, '%Y') AS Date, COUNT(DATE_FORMAT(date_soutenance, '%Y')) AS Number FROM `theses` WHERE these_director LIKE :search GROUP BY Date ORDER BY Date;"),
+            'establishment' => $pdo->prepare("SELECT DATE_FORMAT(date_soutenance, '%Y') AS Date, COUNT(DATE_FORMAT(date_soutenance, '%Y')) AS Number FROM `theses` WHERE soutenance_establishment LIKE :search GROUP BY Date ORDER BY Date;"),
+            default => "",
+        };
+
+        $stmt->bindParam(':search', $search, PDO::PARAM_STR, 100);
+        $stmt->execute();
+
+        $i = 0;
+        while ($obj = $stmt->fetchObject()) {
+            $years_array[$i] = array();
+            $years_array[$i][$obj->Date] = $obj->Number;
+            $i++;
+        }
+
+        return $years_array;
+    }
+
+    public static function getThesesDisciplines(string $search, string $option) : array {
+        $disciplines_array = [];
+
+        $pdo_obj = new conf();
+        $pdo = $pdo_obj->getPDO();
+
+        $search = '%' . $search . '%';
+
+        $stmt = match ($option) {
+            'auto' => $pdo->prepare("
+                SELECT discipline AS Discipline,
+                        COUNT(discipline) AS Number
+                FROM `theses`
+                WHERE author LIKE :search
+                  OR title LIKE :search
+                  OR these_director LIKE :search
+                  OR soutenance_establishment LIKE :search
+                GROUP BY Discipline
+                ORDER BY `Number` DESC
+                LIMIT 10
+            "),
+            'author' => $pdo->prepare("SELECT discipline AS Discipline, COUNT(discipline) AS Number FROM `theses` WHERE author LIKE :search GROUP BY Discipline ORDER BY `Number` DESC LIMIT 10;"),
+            'title' => $pdo->prepare("SELECT discipline AS Discipline, COUNT(discipline) AS Number FROM `theses` WHERE title LIKE :search GROUP BY Discipline ORDER BY `Number` DESC LIMIT 10;"),
+            'director' => $pdo->prepare("SELECT discipline AS Discipline, COUNT(discipline) AS Number FROM `theses` WHERE these_director LIKE :search GROUP BY Discipline ORDER BY `Number` DESC LIMIT 10;"),
+            'establishment' => $pdo->prepare("SELECT discipline AS Discipline, COUNT(discipline) AS Number FROM `theses` WHERE soutenance_establishment LIKE :search GROUP BY Discipline ORDER BY `Number` DESC LIMIT 10;"),
+            default => "",
+        };
+
+        $stmt->bindParam(':search', $search, PDO::PARAM_STR, 100);
+        $stmt->execute();
+
+        $i = 0;
+        while ($obj = $stmt->fetchObject()) {
+            $disciplines_array[$i] = array();
+            $disciplines_array[$i][$obj->Discipline] = $obj->Number;
+            $i++;
+        }
+
+        return $disciplines_array;
+    }
+
     public function sendThese($pdo) {
         $data = [
             'author' => $this->these->getAuthor(),
@@ -147,4 +228,4 @@ class dump {
         $stmt = $pdo->prepare($sql);
         $stmt->execute($data);
     }
-}
\ No newline at end of file
+}