7.5
2009
8.3
8.5
1995
8.1
1989
7.9
2013
7.7
1985
8.4
1993
2011
7.6
2024
6.1
8.2
2014
2012
2017
2005
2020
7.8
2019
8.0
1957
2021
4.9
5.9
2002
8.6
1974
6.5
1994
5.8
2006
7.2
2023
1983
6.8
1999
6.9
5.1
1992
7.3