xper,xns,xew,xco
0.100000001 , 8.15199852 , 11.7336912 , 892.650024
0.200000003 , 19.4211235 , 15.3931646 , 1031.25000
0.300000012 , 13.7470779 , 26.5360584 , 1031.25000
0.500000000 , 7.32760239 , 16.9402046 , 1031.25000
1.00000000 , 2.70160580 , 4.73257017 , 562.650024
2.00000000 , 0.835358560 , 1.10629582 , 281.325012
3.00000000 , 0.350512087 , 0.374389052 , 187.688004