6.8
1959
7.1
2021
7.4
1988
8.0
2011
9.0
2018
1993
8.2
1983
8.5
2012
7.8
2016
7.0
2020
7.2
2023
7.7
2003
1976
6.3
7.3
1960
1996
1990
1995