1955

6.5

1935

7.2

1940

7.4

1960

5.4

1999

7.6

1991

8.0

1967

7.3

2007

6.7

2026

0.0

1995

4.6

1924

0.0

1989

6.2

1932

7.4

2003

5.9

1978

7.4

1953

7.7

1939

2.0

1939

1.0

1942

5.0

1943

0.0