xper,xns,xew,xco
0.100000001 , 11.3485699 , 8.76112843 , 892.650024
0.200000003 , 11.9344063 , 10.4190817 , 1031.25000
0.300000012 , 12.6930180 , 14.0361738 , 1031.25000
0.500000000 , 6.70524597 , 9.18616199 , 1031.25000
1.00000000 , 1.50915480 , 2.77943611 , 562.650024
2.00000000 , 0.797600091 , 0.581083477 , 281.325012
3.00000000 , 0.141878307 , 0.152445227 , 187.688004