Year FourseamCutterCurveChange
2011 76.25 0.00 23.75 0.00
2012 74.17 0.00 22.05 3.78
2013 70.83 0.00 21.72 7.45
2014 70.00 8.00 16.00 6.00
2015 65.41 7.55 23.58 3.46
2016 59.66 6.01 27.04 7.30
2017 50.51 15.19 27.65 6.66