xper,xns,xew,xco
0.100000001 , 0.401775956 , 0.279471993 , 892.650024
0.200000003 , 5.38981445E-02 , 4.91589122E-02 , 1031.25000
0.300000012 , 4.88872901E-02 , 4.89119664E-02 , 1031.25000
0.500000000 , 5.92656527E-03 , 6.18130621E-03 , 1031.25000
1.00000000 , 2.70369137E-03 , 2.70819548E-03 , 562.650024
2.00000000 , 1.90084532E-03 , 2.23856536E-03 , 281.325012
3.00000000 , 2.12390604E-03 , 2.11110106E-03 , 187.688004