xper,xns,xew,xco
0.100000001 , 8.15189934 , 11.7331362 , 892.650024
0.200000003 , 19.4209023 , 15.3927736 , 1031.25000
0.300000012 , 13.7471695 , 26.5360355 , 1031.25000
0.500000000 , 7.32777643 , 16.9404640 , 1031.25000
1.00000000 , 2.70149159 , 4.73262024 , 562.650024
2.00000000 , 0.708193779 , 1.10639822 , 281.325012
3.00000000 , 0.350971490 , 0.374544352 , 187.688004