xper,xns,xew,xco
0.100000001 , 0.371605009 , 0.272496730 , 892.650024
0.200000003 , 0.553911626 , 0.502595901 , 1031.25000
0.300000012 , 0.296042562 , 0.373243123 , 1031.25000
0.500000000 , 0.279820114 , 0.301455826 , 1031.25000
1.00000000 , 0.123330466 , 0.169874743 , 562.650024
2.00000000 , 4.54483181E-02 , 4.34004702E-02 , 281.325012
3.00000000 , 1.49898306E-02 , 1.62821598E-02 , 187.688004