xper,xns,xew,xco
0.100000001 , 0.319934428 , 0.569028854 , 892.650024
0.200000003 , 0.407645911 , 0.657255054 , 1031.25000
0.300000012 , 0.665359914 , 0.790144324 , 1031.25000
0.500000000 , 1.15658677 , 1.23544657 , 1031.25000
1.00000000 , 0.607899785 , 0.922323287 , 562.650024
2.00000000 , 0.207127526 , 0.301546752 , 281.325012
3.00000000 , 6.68352768E-02 , 0.135108545 , 187.688004