8.6
2004
8.2
2024
5.9
2017
6.2
1993
8.8
8.7
2013
7.4
1999
7.8
2021
1989
6.0
1992
5.8
2014
8.4
1994
4.9
2006
8.1
2009
8.0
2008
7.0
1962
7.5
2003
9.0
7.2
6.3
6.9
6.6
6.5
7.6
2023
2022
7.7
5.0
2015
2016
7.9