1998

6.2

1995

4.0

1993

0.0

10.0

2016

0.0

2014

0.0

2014

6.6

2008

7.4

2011

5.0

2010

0.0

1991

6.4

2014

6.4

2011

6.3

2015

6.0

2014

0.0