2017

5.4

2015

7.9

2014

8.5

2010

8.4

2014

6.3

2008

8.5

2014

7.9

2017

7.0

2009

8.2

2013

6.7

2012

7.4

2016

7.7

2017

7.2

2019

7.6

2017

7.6

2014

8.4

2011

6.5

1994

8.5

2017

6.8

1990

7.4