xper,xns,xew,xco
0.100000001 , 0.325361520 , 0.454628468 , 892.650024
0.200000003 , 0.548735321 , 0.483245105 , 1031.25000
0.300000012 , 0.816387594 , 0.993218362 , 1031.25000
0.500000000 , 1.09465992 , 1.01847827 , 1031.25000
1.00000000 , 0.480029374 , 0.390967518 , 562.650024
2.00000000 , 0.130064324 , 0.115508161 , 281.325012
3.00000000 , 4.52506728E-02 , 6.02323934E-02 , 187.688004