1997

6.0

2009

0.0

2007

0.0

1995

2.5

2017

5.9

2017

4.6

2020

6.8

2016

0.0

2014

5.2

2005

7.0

2007

7.0

2012

5.5

2001

6.3

2008

5.3

2017

6.3

2011

4.9