xper,xns,xew,xco
0.100000001 , 0.728359878 , 0.526761889 , 973.799988
0.200000003 , 0.445903182 , 0.223032311 , 1125.00000
0.300000012 , 0.115853630 , 8.21454376E-02 , 1125.00000
0.500000000 , 3.47703733E-02 , 2.88602896E-02 , 1125.00000
1.00000000 , 5.86222671E-03 , 3.89575609E-03 , 675.000000
2.00000000 , 1.48250675E-03 , 1.45089801E-03 , 337.500000
3.00000000 , 1.21280854E-03 , 1.12345314E-03 , 225.000000