2006

7.6

2005

5.9

2010

4.6

2008

5.6

2002

6.2

2014

5.4

1984

4.8

2020

6.7

2003

4.7

2009

6.6

2008

4.6

2007

6.5

2002

0.0

2009

3.8

2013

6.7

2017

6.2

1998

7.3

2016

6.5

2011

6.0

2008

5.9