Month FourseamSinkerChangeCurve
4/13 -0.25 -0.33 -1.15 -0.47
5/13 -0.22 -0.32 -1.12 -0.90
6/13 -0.24 -0.12 -1.21 -0.97
7/13 -0.27 -0.22 -1.37 -0.63
8/13 -0.40 -0.08 -1.14 -0.94
9/13 0.06 -0.16 -0.95 -1.31