Year FourseamSinkerChangeCurve
2008 93.83 94.39 86.81 82.24
2009 95.63 95.14 88.71 83.30
2010 96.79 96.17 87.16 84.27
2011 97.71 96.59 88.94 85.14
2012 97.41 96.90 89.88 83.93
2013 96.44 96.50 87.39 82.70
2014 96.09 95.68 86.70 82.31
2015 95.76 95.42 87.84 82.35
2016 95.03 94.71 89.11 81.07
2017 93.25 92.69 87.31 79.17
2018 93.25 92.99 87.04 79.41