Year FourseamCutterCurveChange
2011 71.38 0.00 16.78 11.84
2012 65.88 0.00 16.89 17.23
2013 62.74 0.00 19.02 18.24
2014 64.25 5.03 12.85 17.88
2015 53.54 13.78 16.93 15.75