Year FourseamCurve
2011 -18.79 -50.81
2012 -14.97 -48.98
2013 -13.50 -47.73
2014 -13.51 -48.89
2015 -13.15 -51.63
2016 -13.57 -53.60
2017 -13.28 -54.05