Year FourseamChangeSliderCurve
2011 32.85 38.46 32.23 25.35
2012 28.77 26.32 22.88 16.44
2013 21.32 21.82 22.69 20.51
2014 18.07 20.69 23.64 15.56
2015 19.53 0.00 17.48 13.85