2016

4.6

1995

8.4

2012

7.4

2017

7.5

2015

7.3

2005

7.0

2008

6.3

2000

8.2

2015

7.2

2016

7.3

2014

8.4

2016

7.0

2014

7.4

2006

7.4

2012

6.6

1993

8.0

2018

8.2

2017

7.0

2017

6.4

2013

7.5