xper,xns,xew,xco
0.100000001 , 0.316020668 , 0.278797358 , 1082.00000
0.200000003 , 0.360121012 , 0.562720239 , 1250.00000
0.300000012 , 0.236746222 , 0.270111889 , 1250.00000
0.500000000 , 8.83151740E-02 , 9.92861986E-02 , 1000.00000
1.00000000 , 6.39166236E-02 , 6.69688806E-02 , 500.000000
2.00000000 , 3.72782089E-02 , 4.28400114E-02 , 250.000000
3.00000000 , 1.88259296E-02 , 1.11211808E-02 , 144.500000