xper,xns,xew,xco
0.100000001 , 0.750616729 , 0.768444598 , 892.650024
0.200000003 , 0.145025730 , 0.156163469 , 1031.25000
0.300000012 , 9.50684100E-02 , 7.61022866E-02 , 1031.25000
0.500000000 , 4.29712832E-02 , 4.18725349E-02 , 1031.25000
1.00000000 , 3.01818606E-02 , 3.17020379E-02 , 562.650024
2.00000000 , 1.74579564E-02 , 1.97514165E-02 , 281.325012
3.00000000 , 1.90613605E-02 , 1.92455146E-02 , 187.688004