2010

8.0

2015

6.6

2006

8.2

2019

8.7

2011

8.5

2008

8.9

2016

8.6

2013

8.1

2018

8.3

1994

8.4

2001

8.6

2017

8.4

2010

8.5

2013

8.5

2015

8.7

1989

8.2

2013

8.7

2011

8.3

2010

8.1

2014

8.5