Year FourseamChangeSliderCurve
2011 96.79 89.21 90.54 82.84
2012 97.92 89.76 91.93 82.21
2013 97.63 90.31 90.22 81.70
2014 97.36 90.27 91.54 82.75
2015 96.21 88.54 92.24 85.18