subtract 10%iles  -0.00100541   0.00556850    0.0112500    0.0173020
    0.0246372    0.0347066    0.0504036    0.0794597     0.156188
stardiff 10%iles   -0.0924484   -0.0386739   -0.0193788  -0.00826694
  0.000453038   0.00919788    0.0204362    0.0401004    0.0947407
stardiff contour -excluded 0.005   -0.0924484    0.0947406