subtract 10%iles -0.000682831   0.00574112    0.0112281    0.0169973
    0.0238647    0.0330710    0.0470991    0.0727787     0.141767
diff 10%iles   -0.0701447   -0.0311451   -0.0165401  -0.00746059  3.33786e-06
   0.00745630    0.0165024    0.0310078    0.0698128
stardiff 10%iles   -0.0260279   -0.0136803  -0.00742532  -0.00278838
   0.00130941   0.00541036    0.0100632    0.0163889    0.0289127
stardiff contour -excluded 0.005   -0.0260279    0.0289126