2013

6.1

2008

5.7

2006

5.9

2020

7.0

2021

5.7

6.1

2003

6.2

2014

5.6

2013

6.1

2017

4.9

2019

6.2

2023

7.1

6.1

2012

6.8

2009

5.3

2013

6.4

2004

7.7

1993

10.0

2004

6.7