2011

0.0

2005

6.8

2007

5.6

2015

5.1

2012

6.0

1999

8.1

2002

7.0

2008

4.2

10.0

2007

6.9

2014

8.4

2010

6.0

2002

7.0

2004

6.8

2008

7.3

2006

7.2