2013
6.8
1999
6.1
2008
7.1
1967
7.8
2005
6.1
1982
6.2
2002
6.3
2013
8.3
2002
7.3
1988
6.4
2010
6.3
2005
5.6
2005
6.4
2005
7.2
1985
6.8
1986
6.8
2001
5.2
1995
6.5
2004
7.0
1989
6.8
2009
6.3
2012
6.5
2008
6.2
2018
6.8
2010
6.7
2015
4.3
2011
7.0
2001
6.2