2005

8.3

1911

9.5

1947

6.7

2009

5.3

1995

5.4

2014

6.3

1961

6.9

1998

6.0

1995

5.9

2011

6.9

2011

6.2

1971

6.8

2007

7.5

2010

6.3

2013

7.0

2006

5.6

1997

6.0

2009

5.8

2009

6.0

2007

6.5