subtract 10%iles -0.000152588   0.00532293   0.00988197    0.0144300
    0.0195198    0.0259881    0.0356312    0.0538445     0.109663
stardiff 10%iles   -0.0493229   -0.0229310   -0.0122904  -0.00514669
  0.000933420   0.00701709    0.0142114    0.0250947    0.0525995
stardiff contour -excluded 0.005   -0.0493229    0.0525994