subtract 10%iles -0.000427246   0.00553036    0.0104094    0.0152044
    0.0204985    0.0271988    0.0373631    0.0570550     0.112993
diff 10%iles   -0.0422678   -0.0222340   -0.0127058  -0.00566792  0.000518799
   0.00663614    0.0134993    0.0229044    0.0433483
stardiff 10%iles   -0.0261099   -0.0150252  -0.00847598  -0.00326998
   0.00137943   0.00592466    0.0108358    0.0170853    0.0285762
stardiff contour -excluded 0.005   -0.0261099    0.0285762