xper,xns,xew,xco
0.100000001 , 0.235789895 , 0.514405072 , 892.650024
0.200000003 , 0.108348124 , 0.143425509 , 1031.25000
0.300000012 , 9.01453644E-02 , 9.78358909E-02 , 1031.25000
0.500000000 , 3.57845090E-02 , 3.73146012E-02 , 1031.25000
1.00000000 , 4.20364412E-03 , 3.95532977E-03 , 562.650024
2.00000000 , 2.01896508E-03 , 1.96437258E-03 , 281.325012
3.00000000 , 1.56041083E-03 , 2.48519168E-03 , 187.688004