2004

7.9

2009

8.0

2004

7.9

1999

4.7

2007

8.2

1996

6.9

2010

7.5

2017

7.8

2004

0.0

2000

7.1

2003

7.2

2001

6.4

1999

8.1

2001

7.8

2005

7.5