xper,xns,xew,xco
0.100000001 , 0.271209359 , 0.554376662 , 892.650024
0.200000003 , 7.66450763E-02 , 9.23524648E-02 , 1031.25000
0.300000012 , 0.117097624 , 6.38043582E-02 , 1031.25000
0.500000000 , 0.156034440 , 4.50531170E-02 , 1031.25000
1.00000000 , 3.40403207E-02 , 1.72332656E-02 , 562.650024
2.00000000 , 6.19992893E-03 , 2.78784591E-03 , 281.325012
3.00000000 , 2.40894617E-03 , 1.58696191E-03 , 187.688004