2017

0.0

2014

1.0

2011

5.6

2005

8.1

2010

0.0

2015

5.7

1998

2.0

1996

7.0

1997

6.0

2006

4.0

2015

6.0

2007

8.0

1997

7.5

2018

0.0

2016

7.3

1999

5.5

2015

5.6