2021

7.4

2016

6.4

2015

6.8

2005

8.3

2013

7.1

2017

6.1

1999

7.9

2008

6.1

2012

7.1

2013

7.3

2003

7.6

2020

8.1

2012

7.2

2013

6.9

2009

7.6

2018

8.5