xper,xns,xew,xco
0.100000001 , 0.919606030 , 1.26431787 , 892.650024
0.200000003 , 1.28736496 , 0.926530361 , 1031.25000
0.300000012 , 1.38795447 , 0.878651977 , 1031.25000
0.500000000 , 0.797289431 , 0.492239118 , 1031.25000
1.00000000 , 0.120044887 , 0.115641959 , 562.650024
2.00000000 , 2.48443522E-02 , 1.85193401E-02 , 281.325012
3.00000000 , 9.15390346E-03 , 7.14570843E-03 , 187.688004