subtract 10%iles      0.00000      0.00000    0.0275837    0.0657887
     0.113194     0.177869     0.279111     0.451250     0.836377
diff 10%iles    -0.309364    -0.124838   -0.0512106   -0.0111470      0.00000
   0.00993156    0.0486302     0.120260     0.303572
stardiff 10%iles   -0.0431702   -0.0141820  -0.00341487      0.00000
   0.00133532   0.00709123    0.0145226    0.0265918    0.0543593
stardiff contour -excluded 0.005   -0.0431702    0.0543592