2010

6.6

2021

7.4

2011

7.1

1989

6.0

1941

7.0

1923

6.7

1970

7.6

1967

6.8

2014

6.8

2009

7.4

1987

6.2

2000

4.9

1971

6.5

2012

6.9

1973

7.2

1976

7.5

1993

6.5

1979

6.5

1989

6.2

1959

8.1