Year FourseamSinkerChangeSliderCurve
2009 -2.29 -2.35 -2.21 -2.32 -2.08
2010 -2.53 -2.66 -2.50 -2.64 -2.56
2011 -2.44 -2.53 -2.35 -2.53 -2.41
2012 -2.31 -2.39 -2.28 -2.42 -2.29
2013 -1.94 -2.02 -1.94 -2.01 -2.05
2014 -1.68 -1.74 -1.63 -1.81 -1.73
2015 -1.44 -1.51 -1.41 -1.67 -1.46
2016 -1.41 -1.48 -1.42 -1.67 -1.46