subtract 10%iles  7.91550e-05   0.00574064    0.0105028    0.0153387
    0.0208917    0.0281296    0.0390234    0.0590706     0.114668
stardiff 10%iles   -0.0576116   -0.0257925   -0.0136334  -0.00582387
  0.000683455   0.00719253    0.0150363    0.0273444    0.0593834
stardiff contour -excluded 0.005   -0.0576116    0.0593833