2009

6.5

2016

7.7

2012

7.7

1984

7.5

2010

8.4

2011

7.0

2015

6.7

2013

7.4

2012

7.4

2021

8.0

2005

6.7

2009

6.3

2019

8.2

1940

7.1

2015

7.3

2017

7.2

2012

5.8

2017

6.7

2015

5.7

2014

7.3