xper,xns,xew,xco
0.100000001 , 1.00271809 , 0.657898664 , 1190.19995
0.200000003 , 0.323058516 , 0.307503343 , 1375.00000
0.300000012 , 0.458564937 , 0.394735008 , 1375.00000
0.500000000 , 0.108389214 , 5.49926087E-02 , 1375.00000
1.00000000 , 1.17030619E-02 , 1.09253842E-02 , 800.250000
2.00000000 , 4.73323790E-03 , 2.63883616E-03 , 399.850006
3.00000000 , 2.39647646E-03 , 1.81903050E-03 , 266.750000