1971

4.5

2010

5.7

1893

5.5

2013

4.4

1911

5.5

1912

5.2

1904

5.5

1995

6.2

1991

6.8

2009

6.2

1918

6.0

2004

7.2

1997

7.7

1998

6.6

2011

6.0

1987

6.5

2006

4.9

2005

0.0

1910

2.5

2010

7.3