2017

8.1

2019

8.2

1983

7.6

2015

7.8

1982

8.3

1997

8.0

2013

7.3

2010

7.1

2012

7.4

2009

8.0

2016

7.3

2010

8.5

2012

8.1

2000

7.9

1983

6.9

2022

7.7

2023

8.2

2006

7.1

2019

8.6

1998

7.2