subtract 10%iles  0.000861406   0.00613785    0.0106087    0.0150900
    0.0202074    0.0268984    0.0371780    0.0566139     0.111805
diff 10%iles   -0.0392084   -0.0203009   -0.0115924  -0.00534892  0.000104904
   0.00555277    0.0117826    0.0204515    0.0391121
stardiff 10%iles   -0.0229509   -0.0129232  -0.00733412  -0.00302055
  0.000847191   0.00470573   0.00900544    0.0146008    0.0248338
stardiff contour -excluded 0.005   -0.0229509    0.0248338