2018

8.2

1994

8.4

2004

7.9

2010

7.8

2017

7.1

2016

8.6

2019

7.5

2011

8.3

2013

8.2

2019

8.4

2014

8.4

2003

7.8

2018

7.8

2003

7.5

2021

7.6

2009

8.3

2010

8.1

2015

6.9

2020

7.6

2014

7.7