1998

7.0

1985

6.1

1987

5.7

1970

6.3

1976

6.7

2003

7.3

1973

7.0

1921

6.6

1997

6.8

1946

7.2

1975

7.5

1977

6.8

1934

6.5

1946

7.8

1994

7.5

1990

6.5

1997

6.9

1970

6.7

1956

7.1

1959

7.3