subtract 10%iles   0.00142956   0.00830603    0.0140786    0.0198448
    0.0264211    0.0349884    0.0478439    0.0711308     0.134816
diff 10%iles   -0.0435257   -0.0229292   -0.0132263  -0.00616884  9.53674e-06
   0.00611067    0.0129614    0.0222988    0.0422659
stardiff 10%iles   -0.0268463   -0.0154019  -0.00884089  -0.00369507
  0.000907727   0.00541988    0.0103095    0.0165046    0.0276796
stardiff contour -excluded 0.005   -0.0268463    0.0276795