2009

6.4

2016

5.1

2008

6.1

2006

5.4

1988

0.0

2007

5.6

2006

6.4

2004

4.7

2003

6.6

2011

1.5

2013

4.6

2024

3.0

2017

6.9

2011

6.0

2005

7.4

2007

5.9

2003

5.5

2017

0.0

2018

6.4

2016

0.0

2002

0.0

2008

8.0

2013

5.0

2014

3.9

2004

5.3

2010

5.7