2003

6.1

1992

6.0

2009

8.6

2002

5.2

1993

4.8

1996

0.0

2005

2.8

2012

5.7

2008

7.5

2000

8.2

2012

6.6

2003

7.8

2013

9.0

2002

8.1

2014

0.0