2009

8.5

1985

6.9

1935

7.5

2008

6.3

1984

6.7

1970

7.1

2007

5.7

2011

7.3

2003

5.0

2017

7.6

1939

5.0

1966

4.7

1924

6.5

1955

6.0

1923

6.8

2025

5.2

1922

5.6

1972

7.3

1918

5.7

1986

5.9