xper,xns,xew,xco
0.100000001 , 27.3062592 , 25.4342442 , 892.650024
0.200000003 , 62.1702118 , 28.7857037 , 1031.25000
0.300000012 , 60.1005249 , 23.6221638 , 1031.25000
0.500000000 , 22.4566383 , 22.1469898 , 1031.25000
1.00000000 , 8.05063915 , 7.26543188 , 562.650024
2.00000000 , 1.02661300 , 0.980533540 , 281.325012
3.00000000 , 0.468494356 , 0.444237143 , 187.688004