1989

10.0

2003

5.0

2020

9.4

2012

6.5

1983

8.3

2017

5.9

1979

6.0

2019

6.0

2015

5.1

1968

4.7

2014

5.9

2011

5.6

2014

6.3

2016

6.0

2023

6.9

5.4

2011

7.4

2022

6.1

2021

0.0