subtract 10%iles -0.000103951   0.00523496   0.00966835    0.0140972
    0.0190744    0.0254016    0.0347338    0.0517220    0.0985899
stardiff 10%iles   -0.0510947   -0.0235445   -0.0126404  -0.00542366
  0.000674076   0.00679026    0.0140900    0.0252968    0.0538878
stardiff contour -excluded 0.005   -0.0510947    0.0538877