xper,xns,xew,xco
0.100000001 , 0.157894164 , 0.411231875 , 973.799988
0.200000003 , 6.70572668E-02 , 7.51932114E-02 , 1125.00000
0.300000012 , 5.01741506E-02 , 5.31493947E-02 , 1125.00000
0.500000000 , 2.06780657E-02 , 1.91860907E-02 , 1125.00000
1.00000000 , 1.89747720E-03 , 2.06048368E-03 , 675.000000
2.00000000 , 9.95603506E-04 , 1.50801381E-03 , 337.500000
3.00000000 , 9.96518065E-04 , 1.11616636E-03 , 225.000000