2008

7.3

2012

6.7

2018

6.4

2012

6.6

2013

7.2

2019

8.1

2016

7.6

2014

7.4

1997

6.5

2021

7.1

2018

6.6

2017

7.4

2008

6.8

2016

6.9

2015

5.3

2019

8.1

2017

7.6

2004

7.7

2004

6.6

2013

6.2