subtract 10%iles -0.000209808   0.00576544    0.0106006    0.0153704
    0.0206785    0.0274086    0.0374422    0.0562153     0.108919
diff 10%iles   -0.0411139   -0.0212827   -0.0122013  -0.00567532  3.14713e-05
   0.00574493    0.0122807    0.0214176    0.0416317
stardiff 10%iles   -0.0243899   -0.0137921  -0.00790079  -0.00333763
  0.000767149   0.00486890   0.00943261    0.0153704    0.0264406
stardiff contour -excluded 0.005   -0.0243899    0.0264406