1975

10.0

1998

7.3

2006

6.9

1978

6.6

1950

7.7

2008

6.3

1943

6.9

1953

6.4

1999

6.4

1969

6.6

1934

6.3

2022

6.8

2003

5.4

1978

6.0

1915

0.0

1991

8.0

1968

7.0

1971

3.5

1967

6.6

1982

6.5