2004

8.9

2015

8.0

2018

10.0

2020

9.0

2007

9.0

2024

8.3

2014

3.3

2023

5.1

2021

5.0

2016

6.0

2016

4.8

2006

2.7

1996

8.0

2008

6.7

2023

6.8

2019

7.5

2013

7.0

2016

9.0