Year FourseamSinkerChangeCurve
2008 6.10 4.30 7.69 12.83
2009 7.22 6.17 11.24 18.23
2010 6.94 5.44 8.99 15.60
2011 11.20 5.61 14.18 13.15
2012 10.09 5.99 17.91 13.85
2013 9.93 5.60 20.40 12.24
2014 10.14 6.30 22.96 13.81
2015 9.71 4.77 20.66 12.40
2016 9.54 5.10 16.50 15.21
2017 7.59 4.83 15.93 12.06
2018 12.32 4.68 14.13 9.18