1927

8.1

1932

7.8

1930

7.7

2006

5.8

1930

7.3

1920

7.9

1995

8.1

1963

8.1

1993

8.6

1957

8.2

1994

7.5

1952

7.7

1957

8.5

1929

6.5

1950

8.1

1946

7.1

1954

0.0

1951

7.9

1945

6.7

1949

7.0