2002
7.4
1997
7.3
1980
8.2
2006
7.1
2012
6.7
1977
6.5
1996
7.1
1998
7.2
1995
6.8
1966
6.6
2007
8.0
1968
6.3
1964
6.7
2007
7.1
2001
7.5
2005
7.1
2016
7.2
2012
7.4
1996
6.8
2008
7.2
2010
6.8
1965
8.1
1997
6.8
1965
7.8
2009
6.8
2011
5.0
2011
6.8
2007
7.2