xper,xns,xew,xco
0.100000001 , 0.210759908 , 0.366606086 , 973.799988
0.200000003 , 5.43622635E-02 , 7.79178217E-02 , 1125.00000
0.300000012 , 6.78523183E-02 , 6.28418103E-02 , 1125.00000
0.500000000 , 1.91377029E-02 , 2.17945315E-02 , 1125.00000
1.00000000 , 2.20742356E-03 , 3.92059609E-03 , 675.000000
2.00000000 , 9.98972566E-04 , 1.67430437E-03 , 337.500000
3.00000000 , 8.71880446E-04 , 1.27204077E-03 , 225.000000