Year FourseamSinkerChangeCurve
2007 92.67 92.26 83.14 82.77
2008 93.24 91.61 83.89 80.79
2009 93.69 92.44 87.98 80.98
2010 92.43 91.91 83.48 79.81
2011 92.13 92.13 83.05 82.68
2012 93.09 92.65 83.29 81.36
2013 92.60 91.93 84.19 83.26