1932

7.4

1992

7.5

1929

7.5

1930

6.0

1937

6.7

1929

6.5

1978

7.4

1953

7.7

1974

0.0

1966

7.3

1989

7.2

1996

6.8

1969

0.0

1958

7.7

1984

8.0

1998

7.4

2003

6.0

2006

6.8

2018

6.2

1931

6.4