xper,xns,xew,xco
0.100000001 , 0.199539289 , 0.410768270 , 892.650024
0.200000003 , 5.96215576E-02 , 7.86088780E-02 , 1031.25000
0.300000012 , 4.34689224E-02 , 6.09292164E-02 , 1031.25000
0.500000000 , 1.62178650E-02 , 1.91669315E-02 , 1031.25000
1.00000000 , 2.18405365E-03 , 1.85138686E-03 , 562.650024
2.00000000 , 1.46460917E-03 , 8.95581965E-04 , 281.325012
3.00000000 , 9.00745159E-04 , 9.49460082E-04 , 187.688004