subtract 10%iles -0.000456810   0.00517130   0.00978708    0.0144272
    0.0197315    0.0266781    0.0371923    0.0562201     0.105858
diff 10%iles   -0.0414810   -0.0208869   -0.0118570  -0.00553131 -6.24657e-05
   0.00542021    0.0117431    0.0207663    0.0410829
stardiff 10%iles   -0.0239550   -0.0131516  -0.00744661  -0.00313813
  0.000694640   0.00452547   0.00883351    0.0145851    0.0256807
stardiff contour -excluded 0.005   -0.0239550    0.0256807