xper,xns,xew,xco
0.100000001 , 0.451027632 , 0.799145520 , 892.650024
0.200000003 , 0.546482503 , 0.447285086 , 1031.25000
0.300000012 , 0.754968584 , 0.708634675 , 1031.25000
0.500000000 , 1.36968231 , 0.925809383 , 1031.25000
1.00000000 , 0.509805620 , 0.262627244 , 562.650024
2.00000000 , 0.115403287 , 0.114663117 , 281.325012
3.00000000 , 4.97483797E-02 , 7.30298162E-02 , 187.688004