2017

7.3

2017

5.5

2006

6.1

2007

7.5

2011

6.1

2020

7.6

2016

7.5

2008

7.6

2017

7.4

2017

6.3

2010

6.8

1999

6.5

2003

6.0

2012

6.9

2005

6.4

2014

5.7

2015

7.8

2016

6.6

2006

6.9

2003

7.3