1948

0.0

1967

6.9

2007

8.1

1945

5.0

1958

6.6

2003

5.6

1999

6.5

1978

5.8

1978

7.4

1953

7.7

1933

6.0

1941

7.3

1939

8.0

1996

7.0

1989

7.2

1996

7.2

2000

6.4

1972

6.9

1978

6.6

1950

3.5