subtract 10%iles -0.000520706   0.00667024    0.0129404    0.0195017
    0.0271187    0.0370350    0.0519037    0.0792370     0.152790
diff 10%iles   -0.0630188   -0.0305891   -0.0169024  -0.00753021  0.000490904
   0.00848866    0.0177999    0.0314169    0.0637054
stardiff 10%iles   -0.0264739   -0.0145369  -0.00787842  -0.00273870
   0.00184715   0.00638798    0.0114007    0.0178877    0.0297701
stardiff contour -excluded 0.005   -0.0264739    0.0297701