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 59.15 6.17 23.22 11.46
2016 60.62 3.96 22.56 12.86
2017 51.69 14.66 17.76 15.88
2018 54.55 9.11 19.81 16.53