subtract 10%iles  -0.00147796   0.00513554    0.0103889    0.0156491
    0.0217209    0.0300426    0.0440407    0.0742950     0.174049
diff 10%iles   -0.0484009   -0.0233021   -0.0130692  -0.00590611  0.000303268
   0.00649619    0.0136304    0.0239954    0.0506954
stardiff 10%iles   -0.0292133   -0.0155872  -0.00874581  -0.00355044
   0.00107106   0.00564709    0.0107340    0.0175749    0.0326678
stardiff contour -excluded 0.005   -0.0292133    0.0326678