1999

5.6

2005

2.7

2006

5.9

2007

5.8

2003

6.0

2005

6.8

2002

6.1

2004

7.4

2006

6.4

2005

6.6

2023

6.3

2018

5.5

2017

3.1

2013

4.9

2017

7.1

2020

6.4

2016

5.6

2025

0.0

2018

4.2

2007

6.2