2017 7.0

2015 7.4

2014 6.2

2015 7.4

2011 7.3

2014 6.4

2009 6.2

2013 5.9

2014 7.0

2017 4.9

2006 5.4

2016 5.3

2017 7.5

2017 6.6

2018 6.6

2017 6.7

2017 5.1

2018 5.7

2017 6.2

2015 6.4

2013 5.7

2009 8.6

2009 5.6

2014 6.6

2004 6.7

2015 4.7

2015 6.2

2017 5.1

2012 6.8

2005 7.3