1989

7.2

1996

6.8

1966

7.3

1992

7.5

1929

7.5

1958

7.7

1984

8.0

1998

7.3

1966

7.7

1953

5.5

2019

6.1

1929

5.9

1973

6.1

1951

6.1

1993

6.5

1968

7.0

1970

6.1

1988

6.3

2008

3.8

1990

7.3