2008

10.0

2003

8.0

1997

6.0

1995

6.6

2002

6.4

2001

3.8

1999

8.5

2003

7.7

1991

0.0

1996

4.8

2010

6.0

2005

0.0

2004

4.0

2001

5.6

2003

0.0

2002

0.0

2000

4.6

1996

4.0

1997

5.0

2008

0.0