Year FourseamChangeCurve
2009 8.26 0.00 20.69
2010 14.13 0.00 18.45
2011 13.75 0.00 23.70
2012 20.57 0.00 21.64
2013 12.66 0.00 20.44
2014 15.99 0.00 24.48
2015 14.96 0.00 21.55
2016 13.30 0.00 20.81
2017 21.21 0.00 18.30