xper,xns,xew,xco
0.100000001 , 0.316577524 , 0.507763326 , 892.650024
0.200000003 , 0.400707394 , 0.492677659 , 1031.25000
0.300000012 , 0.453270644 , 0.731239438 , 1031.25000
0.500000000 , 0.989874840 , 1.06240821 , 1031.25000
1.00000000 , 0.414313763 , 0.589381933 , 562.650024
2.00000000 , 0.157928720 , 0.143691465 , 281.325012
3.00000000 , 7.49783665E-02 , 7.32237771E-02 , 187.688004