2014

6.4

2011

3.9

2012

6.3

2004

5.0

2011

7.0

2005

6.3

2006

3.0

1998

6.2

2001

8.6

2019

6.8

2005

7.3

2018

7.1

2019

5.2

2011

4.0

2003

0.0

2009

6.0