1969

6.3

1960

5.6

1967

6.9

2008

6.5

1937

0.0

1916

6.6

1916

6.2

1913

5.3

1914

5.9

1911

3.5

1966

5.1

1909

5.0

1991

6.8

2013

8.3

2005

0.0

2010

0.0

1949

6.0

1893

5.5

2007

3.5

1996

0.0