subtract 10%iles  -0.00269890   0.00878143    0.0193195    0.0309231
    0.0446148    0.0622716    0.0878725     0.132227     0.243470
diff 10%iles    -0.104632   -0.0484471   -0.0260830   -0.0117021  0.000215530
    0.0121193    0.0264893    0.0489769     0.106120
stardiff 10%iles   -0.0360698   -0.0177618  -0.00909305  -0.00291416
   0.00242629   0.00771300    0.0136981    0.0219224    0.0391816
stardiff contour -excluded 0.005   -0.0360698    0.0391816