subtract 10%iles  -0.00147486   0.00430822   0.00899649    0.0137439
    0.0191402    0.0261106    0.0365829    0.0561094     0.111639
stardiff 10%iles   -0.0570424   -0.0254450   -0.0134302  -0.00567244
  0.000831151   0.00737964    0.0153391    0.0280189    0.0623368
stardiff contour -excluded 0.005   -0.0570424    0.0623368