xper,xns,xew,xco
0.100000001 , 11.3961468 , 8.37351799 , 892.650024
0.200000003 , 11.8784771 , 10.2097197 , 1031.25000
0.300000012 , 12.7121038 , 13.8632050 , 1031.25000
0.500000000 , 6.68714046 , 9.13324547 , 1031.25000
1.00000000 , 1.45311570 , 2.78962374 , 562.650024
2.00000000 , 0.797889531 , 0.581212997 , 281.325012
3.00000000 , 0.142290413 , 0.127134934 , 187.688004