xper,xns,xew,xco
0.100000001 , 293.810974 , 163.789108 , 892.650024
0.200000003 , 105.271698 , 62.2806511 , 1031.25000
0.300000012 , 157.239212 , 56.5797501 , 1031.25000
0.500000000 , 47.5124702 , 46.9283791 , 1031.25000
1.00000000 , 19.2304096 , 9.17078876 , 562.650024
2.00000000 , 1.51916933 , 0.911683381 , 281.325012
3.00000000 , 0.634890795 , 0.385637462 , 187.688004