2002

8.2

2000

7.1

2009

6.6

2014

7.0

2005

7.4

1997

7.2

2000

7.5

2006

5.1

2001

6.1

2004

6.8

2009

7.2

2005

6.3

2008

8.5

2002

7.1

2001

6.6

1997

8.3

2004

7.2

2002

7.2

2002

0.0

2000

5.3

1995

7.7

2003

7.3

2009

7.3