xper,xns,xew,xco
0.100000001 , 21.3385563 , 28.5685387 , 892.650024
0.200000003 , 23.7080994 , 65.9937210 , 1031.25000
0.300000012 , 33.1473885 , 37.1978073 , 1031.25000
0.500000000 , 5.79089260 , 6.33124065 , 1031.25000
1.00000000 , 0.848414600 , 1.00355983 , 562.650024
2.00000000 , 0.170216665 , 0.202373788 , 281.325012
3.00000000 , 6.83086887E-02 , 0.109589167 , 187.688004