subtract 10%iles  -0.00273395   0.00748634    0.0169821    0.0278661
    0.0413778    0.0594480    0.0861921     0.132713     0.246738
stardiff 10%iles    -0.154731   -0.0681857   -0.0337690   -0.0133048
   0.00235858    0.0181846    0.0393071    0.0752370     0.165606
stardiff contour -excluded 0.005    -0.154731     0.165605