subtract 10%iles -0.000911713   0.00623488    0.0124016    0.0188591
    0.0263488    0.0360589    0.0503557    0.0755692     0.140249
diff 10%iles   -0.0605013   -0.0295739   -0.0163975  -0.00734615  0.000411987
   0.00815296    0.0171499    0.0302558    0.0611649
stardiff 10%iles   -0.0268368   -0.0147132  -0.00805596  -0.00293775
   0.00163733   0.00616797    0.0111795    0.0176855    0.0297127
stardiff contour -excluded 0.005   -0.0268368    0.0297127