1948

8.0

1960

7.5

2000

6.4

1989

5.3

1969

6.2

1957

7.2

1940

6.4

1930

3.8

1966

6.2

1932

8.0

1994

0.0

1903

7.0

1938

4.6

1929

8.5

1935

4.6

1921

0.0

1952

6.8

1972

5.3

1966

5.3

1936

3.0