diff --git a/plot/main.py b/plot/main.py
index eaa30b6..dc8b81e 100644
--- a/plot/main.py
+++ b/plot/main.py
@@ -37,6 +37,18 @@ def rb_available() -> np.ndarray:
         nb += 1
     return available
 
+def delay() -> np.ndarray:
+    delays = np.zeros((size, 2))
+    nb = 0
+    for i in nb_files:
+        data = pd.read_csv(".." + os.sep + "export" + os.sep + i, delimiter=';').to_numpy()
+        nb_users = i.split(".")[0]
+        d = data[:, 5]
+        for x in d:
+            delays[nb, 0] = int(nb_users)
+            delays[nb, 1] = float(x)
+        nb += 1
+    return delays
 
 averages = mean_mkn()
 available = rb_available()
@@ -57,4 +69,4 @@ fig, ax = plt.subplots()
 ax.scatter(available[:, 0], available[:, 1])
 ax.set(xlabel='number of users', ylabel='RB utilisés', title='Pourcentage de RB utilisés')
 ax.grid()
-plt.show()
+plt.show()
\ No newline at end of file