Year FourseamSinkerChangeSliderCurve
2009 98.08 97.43 90.24 88.09 81.06
2010 96.72 96.31 89.39 87.10 79.09
2011 98.31 96.99 89.22 87.77 82.82
2012 97.53 96.78 89.83 87.89 81.66
2013 97.48 98.19 89.17 87.75 81.93