Year FourseamChangeSliderCurve
2011 48.01 53.85 52.32 45.10
2012 47.78 44.93 54.44 42.54
2013 52.15 56.33 51.85 28.65
2014 50.61 60.42 61.13 37.55
2015 49.89 62.50 56.49 42.54