2000

6.3

2004

4.6

2001

5.4

2000

4.9

2008

5.3

2006

6.8

2007

3.8

2002

4.5

1998

6.0

2015

0.0

2009

9.0

1999

2.9

1999

8.0

2003

5.5

2000

5.0

2010

0.0

1999

7.0

2005

6.6