2016

4.6

2016

8.0

2007

7.5

2015

6.0

2018

5.6

2012

6.1

2006

6.2

2004

7.3

2009

5.3

2015

6.9

2014

7.7

2017

7.6

1983

6.7

2010

6.1

2015

6.4

2009

5.6

2018

7.6

2017

5.6

2019

6.3

2009

6.7