2018

7.4

2017

8.2

2011

8.5

2009

8.0

2004

8.6

2013

8.7

2021

7.9

2017

8.4

2016

8.5

2012

7.5

2008

8.9

2015

8.1

2019

8.5

2015

8.2

2011

8.2

2016

8.6

2019

8.4

2016

8.0

2006

8.2

2016

8.2