xper,xns,xew,xco
0.100000001 , 10.7364616 , 56.2803230 , 892.650024
0.200000003 , 6.21787739 , 58.1162872 , 1031.25000
0.300000012 , 6.13488054 , 116.763359 , 1031.25000
0.500000000 , 2.80127478 , 28.7338486 , 1031.25000
1.00000000 , 1.16678607 , 11.7049294 , 562.650024
2.00000000 , 0.285661459 , 2.86549020 , 281.325012
3.00000000 , 0.120624259 , 1.02185273 , 187.688004