1957

3.5

1960

8.4

1925

0.0

1932

7.4

1970

5.0

1970

4.9

1991

6.1

1999

0.0

1972

7.4

1989

5.9

1969

3.0

1992

4.5

1935

4.5

1963

5.2

2002

6.8

1990

1.0

1929

0.0

1931

7.0

1936

6.7

1942

6.9