2006

7.4

2005

3.0

2019

6.9

2003

0.0

2014

4.0

2013

7.1

2015

7.2

2016

6.8

2017

5.2

2012

5.3

2016

5.6

2007

4.7

2009

5.9

2016

5.0

2020

5.6

2015

5.6