2010

7.0

2012

5.8

2004

6.7

2007

6.4

2009

6.2

2017

6.0

2013

7.5

1980

8.4

2009

6.7

2012

5.6

2019

10.0

2014

7.0

2007

4.3

2015

6.3

2006

7.0

2009

4.8

2005

6.4

2005

5.8

1981

7.0