subtract 10%iles  3.79086e-05   0.00548983    0.0100803    0.0147624
    0.0202775    0.0278625    0.0402985    0.0654907     0.136979
diff 10%iles   -0.0427017   -0.0210965   -0.0118341  -0.00541735  0.000115156
   0.00565171    0.0120924    0.0214214    0.0430088
stardiff 10%iles   -0.0248062   -0.0132907  -0.00742190  -0.00304214
  0.000844784   0.00473392   0.00915104    0.0151653    0.0273907
stardiff contour -excluded 0.005   -0.0248062    0.0273907