2017

8.1

2012

6.0

2009

5.5

2010

7.1

2014

6.9

2018

6.0

2022

6.3

2015

7.9

2021

6.1

7.8

2007

7.7

2005

5.4

2017

6.9

2016

6.5

2006

6.4

2011

9.0

2021

7.7

2024

5.9

2023

9.8