10.0

1996

8.0

1976

6.4

1961

8.1

2002

7.8

1997

7.7

1993

7.5

1962

7.7

1957

7.9

1930

6.8

1998

7.7

1895

6.7

1968

5.7

1964

7.0

1999

6.5

1953

7.6

2007

9.9

1987

5.5

1991

8.3

1990

5.9