1955

7.5

1950

8.1

2001

7.5

1950

8.1

1993

7.4

1943

7.7

1932

7.0

1919

6.9

1995

7.3

1975

7.5

1923

5.0

2006

8.2

1962

7.9

1946

5.9

1978

0.0

1949

6.1

1994

7.3

1978

0.0

1972

7.4

2000

7.1