Year FourseamSinkerChangeCurve
2015 0.465 0.448 0.567 0.247
2016 0.449 0.456 0.447 0.262
2017 0.518 0.448 0.381 0.256
2018 0.322 0.255 0.406 0.247
2019 0.632 0.333 0.750 0.556