diff --git a/repository.py b/repository.py
index 4560f83..8548dda 100644
--- a/repository.py
+++ b/repository.py
@@ -72,7 +72,17 @@ class QuestionRepository:
     @staticmethod
     async def get_class_statistics() -> dict:
         async with new_session() as session:
-            query = select(QuestionOrm.answer, func.count(QuestionOrm.id)).group_by(QuestionOrm.answer)
+            query = select(QuestionOrm.type_mood, QuestionOrm.answer, func.count(QuestionOrm.id)).group_by(QuestionOrm.type_mood, QuestionOrm.answer)
             result = await session.execute(query)
-            statistics = {answer: count for answer, count in result.fetchall()}
+            statistics = {}
+            for row in result.fetchall():
+                mood = row[0]
+                answer = row[1]
+                count = row[2]
+                if mood not in statistics:
+                    statistics[mood] = {}
+                if answer not in statistics[mood]:
+                    statistics[mood][answer] = count
+                else:
+                    statistics[mood][answer] += count
             return statistics