subtract 10%iles  -0.00145149   0.00503206    0.0104084    0.0159121
    0.0221558    0.0301924    0.0425072    0.0674353     0.148481
diff 10%iles   -0.0549455   -0.0266509   -0.0147374  -0.00646782  0.000660896
   0.00778461    0.0160503    0.0280337    0.0566139
stardiff 10%iles   -0.0255919   -0.0140726  -0.00766404  -0.00271402
   0.00171302   0.00611076    0.0109856    0.0173307    0.0292850
stardiff contour -excluded 0.005   -0.0255919    0.0292850