2021

8.5

2012

7.4

2020

9.2

2004

7.2

2015

6.9

2016

7.1

2009

5.5

2011

7.4

1974

8.1

2011

7.2

2022

7.5

2014

8.0

2018

7.9

1965

7.1

2007

7.8

2006

7.7

2013

7.1

2016

6.8

2013

7.4

2002

7.5