Year FourseamChangeSliderCurve
2011 93.87 86.27 86.86 78.36
2012 94.63 87.38 87.15 78.64
2013 94.64 87.86 86.50 77.94
2014 94.58 87.54 88.10 79.72
2015 93.44 87.31 87.96 80.97