subtract 10%iles -0.000219107   0.00544071    0.0101185    0.0147567
    0.0199175    0.0264511    0.0360947    0.0535583    0.0998764
diff 10%iles   -0.0416317   -0.0217533   -0.0124555  -0.00572872  0.000151157
   0.00597668    0.0125666    0.0215850    0.0406342
stardiff 10%iles   -0.0242185   -0.0138256  -0.00784193  -0.00317238
   0.00100234   0.00512147   0.00962209    0.0153254    0.0253259
stardiff contour -excluded 0.005   -0.0242185    0.0253259