2015

7.9

2007

6.5

2016

6.9

2005

8.3

2006

8.2

2017

5.7

2005

5.8

2021

7.5

2007

5.5

2013

5.3

2003

7.6

2009

7.5

2017

8.1

2014

8.2

2016

6.2

2023

0.0