2012

7.0

2009

5.2

2006

4.7

2006

5.8

2008

6.5

2013

4.4

2008

6.5

1934

5.4

1986

7.0

1913

0.0

2014

7.4

1904

5.5

2005

5.4

2004

7.3

2003

5.8

1969

6.4

1916

6.6

1916

6.2

1991

6.8

1976

7.3