xper,xns,xew,xco
0.100000001 , 8.15132713 , 11.7332497 , 892.650024
0.200000003 , 19.4203205 , 15.3928833 , 1031.25000
0.300000012 , 13.7477226 , 26.5359325 , 1031.25000
0.500000000 , 7.32836580 , 16.9403572 , 1031.25000
1.00000000 , 2.70093250 , 4.73251486 , 562.650024
2.00000000 , 0.833925188 , 1.10630023 , 281.325012
3.00000000 , 0.351751924 , 0.374438107 , 187.688004