xper,xns,xew,xco
0.100000001 , 0.748959780 , 0.767018020 , 892.650024
0.200000003 , 0.146064505 , 0.158026651 , 1031.25000
0.300000012 , 9.50636938E-02 , 7.60882497E-02 , 1031.25000
0.500000000 , 4.12849598E-02 , 4.30822857E-02 , 1031.25000
1.00000000 , 3.10356840E-02 , 3.36006545E-02 , 562.650024
2.00000000 , 2.50994638E-02 , 2.09163614E-02 , 281.325012
3.00000000 , 1.81261729E-02 , 1.78602617E-02 , 187.688004