xper,xns,xew,xco
0.100000001 , 0.322056741 , 0.403359324 , 1083.50000
0.200000003 , 0.533050776 , 0.340848148 , 1250.00000
0.300000012 , 0.240645200 , 0.171148524 , 1250.00000
0.500000000 , 0.104380041 , 8.02883878E-02 , 1250.00000
1.00000000 , 2.66727507E-02 , 1.99675318E-02 , 700.000000
2.00000000 , 9.39138513E-03 , 7.55290361E-03 , 350.000000
3.00000000 , 6.93510845E-03 , 3.64516000E-03 , 233.500000