1914

5.6

1957

6.7

2006

5.8

1984

6.9

1917

6.9

1954

6.6

1941

5.2

1925

4.7

1953

7.1

2012

7.0

1995

6.1

1997

6.3

1965

6.7

2009

7.0

1937

6.8

2006

6.6

1930

5.7

1921

6.8

1917

5.5

1922

6.1