2005

2.0

2006

0.0

2010

4.6

1994

1.0

2007

6.3

2012

4.7

1998

8.0

1997

5.0

2008

7.4

1994

7.0

2001

7.3

2008

0.0

2003

6.2

2001

6.1

1999

4.4