1932

7.5

1996

6.4

1967

7.7

1946

7.6

1968

7.2

1973

6.9

1941

7.7

2003

5.9

1953

6.0

2007

7.2

1986

5.5

1932

6.0

1990

5.6

2003

5.6

2013

6.6

1976

7.0

1948

7.3

1949

6.9

1975

0.0

1983

0.0