2004

6.1

2019

8.1

2021

6.8

2017

7.6

2011

6.7

2012

7.2

2001

7.9

2018

7.5

2015

7.3

2009

7.6

2018

7.5

2016

6.3

2017

7.4

2016

6.9

2014

6.5

2021

6.6

2010

8.4

2016

7.6

2015

6.9

2001

7.5