2006

6.3

1970

6.0

2005

5.4

1920

7.9

1956

6.2

1977

6.7

1951

5.8

2005

5.7

2012

5.5

1988

6.3

1997

6.3

2010

6.1

2002

9.1

2021

8.2

1990

6.1

1945

7.6

2013

6.1

1936

5.9

2000

6.3

1972

10.0