1984

10.0

2022

9.9

2021

7.7

2012

6.3

2010

5.1

2009

7.9

2010

6.8

1972

7.1

1987

5.3

2017

7.4

2016

2.5

2023

9.8

2000

6.7

2012

4.2

2015

5.1

2021

6.2

2006

6.9

2014

8.0

2020

6.5

1977

6.5