2012
6.3
2012
6.4
2001
6.4
2015
6.0
2014
8.0
2006
7.2
2001
6.9
2006
6.9
2010
7.7
1998
6.1
2005
3.8
1995
7.2
1974
8.6
1999
6.5
1997
7.5
2014
6.7
2013
6.4
2010
5.5
2000
6.5
2003
7.0
2002
5.9
1994
7.5
2002
7.5
2007
5.9
2002
5.6
1988
6.9
2009
6.4
2012
8.2