xper,xns,xew,xco
0.100000001 , 67.0141983 , 62.1696587 , 892.650024
0.200000003 , 50.5344048 , 96.7239227 , 1031.25000
0.300000012 , 21.9671421 , 58.5536880 , 1031.25000
0.500000000 , 7.08105087 , 33.0389595 , 1031.25000
1.00000000 , 1.81311798 , 5.33291817 , 562.650024
2.00000000 , 0.364446193 , 1.23605561 , 281.325012
3.00000000 , 0.122755833 , 0.541253984 , 187.688004