2009

8.5

2004

6.1

2013

6.1

1966

6.1

1983

5.5

2004

7.3

2006

6.6

1992

7.2

2014

8.2

2007

4.6

2010

6.9

2015

5.1

2012

5.8

1956

7.1

2009

6.6

2005

5.1

2011

6.3

2018

6.8

2011

6.9

2009

7.2