2003

7.9

2000

7.6

2006

8.2

2004

4.9

1994

7.8

2001

6.8

2001

9.0

2005

5.1

2000

8.5

2003

6.6

1998

5.0

1999

6.5

2004

8.3

2006

6.4

2000

5.1

2005

6.1

1998

6.8

2003

5.0

2004

6.7

2002

6.0