2011

4.0

2003

7.7

1985

8.3

2007

7.3

2005

7.4

2010

7.4

1983

7.9

1959

6.9

1997

7.5

1945

7.4

2009

7.2

2014

6.2

1940

7.1

1992

7.2

2004

5.9

1999

8.5

2019

8.2

2007

7.1

1960

8.4

2015

7.5