2011

7.2

2015

6.3

2005

8.2

2009

8.0

2015

5.6

2016

7.9

2003

7.6

2006

5.8

2012

7.2

2008

5.6

2011

8.2

2018

4.9

2013

7.6

2015

5.4

2007

6.0