2002

4.5

2010

6.6

2000

6.3

6.4

1971

6.5

1959

8.1

2008

6.5

2011

7.1

1923

6.7

2019

6.8

2007

6.6

2018

7.1

1941

7.0

2002

7.4

1979

6.5

1963

7.3

1976

7.5

1970

7.7

2001

7.2

1965

6.4