Year FourseamSinkerChangeCurve
2007 12.14 0.00 5.82 -3.51
2008 11.36 1.86 4.91 -2.82
2009 10.61 10.65 4.44 -2.99
2010 10.05 6.41 3.79 -3.93
2011 10.35 5.99 3.10 -5.77
2012 10.11 6.19 3.79 -7.37
2013 9.50 0.00 3.71 -5.96