2001

6.0

2004

4.8

2000

4.9

1958

7.6

1990

6.5

1975

6.3

1943

6.0

1954

6.9

1975

5.3

2003

7.2

1966

8.5

1960

0.0

1935

0.0

1950

5.0

1938

4.7

1965

6.3

1948

7.3

1976

6.0

1959

5.9

1903

7.0