2017

6.3

2020

7.2

2006

5.2

2015

3.8

2002

6.4

2007

6.0

2012

5.3

2013

6.0

2019

5.7

2016

5.0

2014

6.0

2018

4.5

1970

6.2

2023

0.0

2022

0.0

2004

6.1

2024

5.7

2015

5.0

2018

3.0

1984

0.0