1976

7.3

1971

6.5

1946

7.3

1918

6.0

2010

7.3

1961

6.4

1923

6.3

2006

6.9

1999

5.5

1937

6.2

1986

6.7

2010

7.1

2008

10.0

1920

7.1

1936

6.1

1987

6.3

1954

7.5

1972

7.1

2011

0.0

1964

6.9