2006

7.5

1957

7.8

2001

7.4

1998

8.2

1946

7.8

1940

8.3

1966

7.3

1959

8.2

1997

7.2

1956

7.9

1961

7.1

1979

6.2

2017

7.9

1977

7.1

1979

5.8

1971

7.0

2008

6.1

1976

6.6

1953

7.3

1969

6.8