1956

6.8

1948

5.5

1953

3.9

1935

4.6

1943

5.4

1957

6.9

1963

7.3

1949

5.9

1982

7.0

1950

5.0

1924

0.0

1921

0.0

1965

5.9

1948

4.7

1966

5.9

1936

5.5

1964

6.2

1970

7.6

1950

2.0

1992

7.9