See

Seasons

1 2 3
1 8.1 8.1 7.6
2 7.8 7.9 7.5
3 8.6 7.6 7.5
4 7.9 7.0 7.5
5 7.9 7.1 7.8
6 7.6 7.4
7 7.7 8.2
8 8.1 8.7
Source ratings: IMDB (https://www.imdb.com/interfaces/)
Source images: The Movie Database (https://www.themoviedb.org/)