2009

7.5

2004

7.4

2017

7.1

2001

6.9

2014

7.3

1996

6.8

2015

7.8

2016

7.1

2014

7.7

2018

7.7

1998

7.1

2013

6.7

2003

7.9

2015

6.0

2010

7.8

2008

8.1

2022

8.4

2011

7.4

2018

6.3

2011

7.8