[BUG] Rating distribution is not correct

[mohammadrafigh]

Instance Domain
neodb.social (it should be the same on others)

Server Version
0.12.2

Description
Rating distribution sum is not 100% both on API and UI.

https://neodb.social/movie/4VVFclcC2giJKMKHyzQBz1
https://neodb.social/api/movie/4VVFclcC2giJKMKHyzQBz1

For this item it's 97%.