7.5
1997
9.0
1995
10.0
2015
7.6
2008
2016
7.3
2012
2010
2014
8.7
1999
2001
8.0
7.8
1978
7.4
1988
9.5
2005
6.9
2013
6.0
2024
5.6
8.8
2022
8.4
6.7
4.8
2017
5.5
2004
6.3
8.3
7.7
5.4
7.0
documentary Series ON