subtract 10%iles  -0.00136566   0.00465202   0.00950933    0.0143216
    0.0196571    0.0264435    0.0367146    0.0563698     0.113649
diff 10%iles   -0.0474215   -0.0237608   -0.0134258  -0.00610375  0.000245094
   0.00654793    0.0137277    0.0238390    0.0471153
stardiff 10%iles   -0.0253423   -0.0144023  -0.00810364  -0.00315921
   0.00127438   0.00563706    0.0103908    0.0164269    0.0273712
stardiff contour -excluded 0.005   -0.0253423    0.0273712