2005

8.0

2010

5.8

2004

2.0

1999

5.0

2016

7.5

2001

2.0

2005

4.2

2002

3.0

1997

0.0

2008

7.9

2011

2.0

2013

0.0

2017

6.0

2014

5.4

2009

6.0

2012

7.0

1999

6.6