2014

6.4

2007

8.0

2010

0.0

2000

4.7

1992

5.3

1994

5.4

1995

3.0

2002

6.6

1999

5.8

2009

5.9

2006

3.4

2017

5.6

2017

5.3

2014

6.2

2011

7.7

2013

4.2

2014

6.3

2004

10.0

2005

4.7

2009

5.0