2009

7.0

2009

4.8

2005

7.7

2000

3.0

1998

5.1

1992

7.4

2004

0.0

2008

6.3

1992

5.5

1997

7.5

2008

5.9

2001

8.4

2003

8.0

2005

0.0

2010

0.0

2007

6.9

2002

6.8

2012

0.0

1997

6.4

1998

7.0