subtract 10%iles -0.000267029   0.00543880    0.0101538    0.0148563
    0.0201652    0.0270000    0.0372982    0.0566788     0.112151
stardiff 10%iles   -0.0508515   -0.0231958   -0.0123188  -0.00506222
   0.00112136   0.00735281    0.0148072    0.0263715    0.0568118
stardiff contour -excluded 0.005   -0.0508515    0.0568117