xper,xns,xew,xco
0.100000001 , 0.325358510 , 0.454601109 , 892.650024
0.200000003 , 0.548746526 , 0.483201176 , 1031.25000
0.300000012 , 0.816396713 , 0.993268609 , 1031.25000
0.500000000 , 1.09466815 , 1.01843786 , 1031.25000
1.00000000 , 0.480026692 , 0.390939474 , 562.650024
2.00000000 , 0.130064234 , 0.115510277 , 281.325012
3.00000000 , 4.52389270E-02 , 6.02673739E-02 , 187.688004