1978

7.4

1953

7.7

1933

6.0

1941

7.3

1939

8.0

2002

7.1

1931

5.6

1938

0.0

1993

6.9

1987

6.4

2008

7.0

1990

7.3

1980

6.3

1950

7.7

1996

7.0

1989

7.2

1996

7.2

1957

6.5

1992

6.6

1986

7.0