Year FourseamChangeSliderCurve
2012 98.34 87.78 89.08 81.15
2013 97.92 88.70 90.10 81.38
2014 97.78 87.36 88.02 80.21
2015 98.45 88.45 89.04 81.17
2016 97.67 87.44 85.31 80.74
2017 98.77 87.95 87.05 0.00
2019 97.01 87.01 86.21 0.00