1941

8.0

1954

8.4

1972

7.1

1990

6.1

1979

7.1

1992

8.1

1987

8.1

1953

8.2

1975

8.0

1987

7.8

1984

7.7

1998

7.7

1960

8.2

1959

8.0

1977

6.6

1960

7.8

1962

8.0

1944

7.6

1982

7.6

1984

8.0