1999

7.0

2004

9.5

2010

6.8

7.8

2004

6.7

2006

5.9

2022

7.2

2014

7.8

2022

4.5

2021

6.2

2012

6.3

2017

6.1

2015

6.4

2007

5.8

2006

6.8

2014

6.4

1996

7.2

2013

5.8

2009

6.2

2013

6.1