Secret Diary of a Call Girl

Seasons
	1	2	3	4
1	6.9	7.4	7.2	6.8
2	6.8	7.3	7.1	6.8
3	6.8	7.2	6.9	6.8
4	7.0	7.2	6.9	6.6
5	7.2	7.9	6.9	6.3
6	6.9	7.4	6.8	6.4
7	7.5	7.1	7.1	6.2
8	7.0	7.5	7.2	6.6

Source ratings: IMDB (https://www.imdb.com/interfaces/)
Source images: The Movie Database (https://www.themoviedb.org/)