subtract 10%iles  -0.00105762   0.00537539    0.0107498    0.0163035
    0.0228019    0.0313997    0.0445099    0.0686646     0.133358
stardiff 10%iles   -0.0730364   -0.0319270   -0.0164952  -0.00701687
  0.000702320   0.00844173    0.0180457    0.0339136    0.0765737
stardiff contour -excluded 0.005   -0.0730364    0.0765737