xper,xns,xew,xco
0.100000001 , 0.308362722 , 0.554487586 , 892.650024
0.200000003 , 0.306597352 , 0.322112858 , 1031.25000
0.300000012 , 0.298714548 , 0.361325234 , 1031.25000
0.500000000 , 0.321223944 , 0.406091839 , 1031.25000
1.00000000 , 0.104906134 , 0.137267053 , 562.650024
2.00000000 , 1.76866855E-02 , 1.55488625E-02 , 281.325012
3.00000000 , 7.02174567E-03 , 9.03205946E-03 , 187.688004