2007

6.8

2006

6.8

2003

6.9

0.0

2005

3.3

2013

7.6

1999

5.0

2005

0.0

2002

8.1

2004

6.8

2001

5.2

2011

0.0

2003

8.6

2015

0.0

2001

6.6

2003

0.0

0.0

2010

0.0

2015

0.0

2016

0.0