1996

6.4

2000

8.0

2013

0.0

2017

6.2

1990

7.4

2000

8.5

2002

10.0

2008

3.8

2001

8.0

2001

4.8

2004

4.0

2009

3.0

1999

5.2

1997

6.1

2013

6.4