subtract 10%iles -0.000911713   0.00848293    0.0168362    0.0258908
    0.0368395    0.0514867    0.0734291     0.112190     0.209269
stardiff 10%iles    -0.107865   -0.0481494   -0.0246080   -0.0101948
   0.00134204    0.0128332    0.0271286    0.0504936     0.109852
stardiff contour -excluded 0.005    -0.107865     0.109852