2016

7.3

2018

8.2

2005

8.1

2007

7.5

2015

8.6

2021

7.9

2007

8.5

1991

7.7

2013

7.6

2012

7.4

2013

7.7

2018

7.7

2016

7.2

2010

8.1

2006

7.8

2016

7.8

2017

7.5

2012

8.4

2015

6.7

2014

7.8