1949

6.9

1945

7.6

1994

5.7

2003

6.6

1933

6.0

1948

6.7

1946

4.8

1952

7.7

1959

7.8

2006

6.4

1964

7.8

1950

5.0

1966

8.5

2003

7.3

1952

7.4

1960

8.1

1970

7.1

1976

7.1

1942

0.0

1942

2.3