1999
2004
2006
7.0
2007
6.0
2012
1964
6.2
1983
1971
2011
9.0
2013
1984
2015
2014
2001
8.3
1997
8.1
2016
7.7
7.3
7.8
2008
1956
7.9
2019
6.8
2023
8.0
1995
2005
2024
6.7
1959
2017
1980
7.1
8.2
2018
7.4