2011

8.8

2008

5.9

2016

6.6

2005

2.0

1996

7.5

2016

5.7

2003

5.2

0.0

2004

4.6

1998

6.3

2005

6.4

1986

6.0

2014

6.1

2016

5.6

2009

5.0

1996

6.7

2013

6.0

2011

0.0

1992

6.5

2017

6.2