subtract 10%iles      0.00000   0.00966239    0.0865746     0.170299
     0.275886     0.421848     0.661830      1.08922      2.05023
diff 10%iles    -0.440152    -0.183558   -0.0769835   -0.0168500      0.00000
    0.0167737    0.0773759     0.183526     0.436543
stardiff 10%iles   -0.0656987   -0.0236066  -0.00701004      0.00000
  0.000784755   0.00946374    0.0207497    0.0391910    0.0814286
stardiff contour -excluded 0.005   -0.0656987    0.0814285