Year FourseamChangeSliderCurve
2009 97.47 89.54 91.80 82.16
2010 96.53 86.91 90.31 81.07
2011 96.91 89.00 90.55 83.08
2012 97.67 89.55 91.40 82.24
2013 97.63 90.16 90.13 81.48
2014 97.05 93.64 91.08 82.61
2015 96.26 88.26 91.73 84.70