xper,xns,xew,xco
0.100000001 , 8.15205479 , 11.7337894 , 892.650024
0.200000003 , 19.4211540 , 15.3932619 , 1031.25000
0.300000012 , 13.7469931 , 26.5359669 , 1031.25000
0.500000000 , 7.32758713 , 16.9401073 , 1031.25000
1.00000000 , 2.70169735 , 4.73247433 , 562.650024
2.00000000 , 0.834757268 , 1.10621989 , 281.325012
3.00000000 , 0.350927234 , 0.374273837 , 187.688004