subtract 10%iles  -0.00191164   0.00922585    0.0192747    0.0304036
    0.0441751    0.0629654    0.0913486     0.140804     0.256371
stardiff 10%iles    -0.159286   -0.0701219   -0.0346888   -0.0140432
   0.00183414    0.0178202    0.0387282    0.0742293     0.161452
stardiff contour -excluded 0.005    -0.159286     0.161452