2000

7.2

1984

6.7

2016

9.3

2001

6.4

1988

7.2

1994

7.4

1960

4.5

1983

6.9

1989

7.6

1975

8.0

2000

7.4

1923

5.0

1978

7.2

1992

7.4

1938

0.0

1958

6.7

1958

6.0

1963

5.9

2001

6.7

1999

6.1