6.8
1976
6.5
2018
7.0
2014
5.5
1973
2022
7.3
2003
2020
2011
9.0
1999
2021
8.3
2002
7.4
7.6
2009
7.5
2016
2019
1997
2012
6.1
2015
7.8
7.1
6.3
7.2
5.4
2023
2013
5.3
1990
2025
6.2
8.1
6.6
documentary Series ON