xper,xns,xew,xco
0.100000001 , 58.3109818 , 54.2754097 , 892.650024
0.200000003 , 136.887650 , 119.499550 , 1031.25000
0.300000012 , 82.9300842 , 77.8492126 , 1031.25000
0.500000000 , 30.7247868 , 34.3214493 , 1031.25000
1.00000000 , 18.0210495 , 22.4233608 , 562.650024
2.00000000 , 2.69866967 , 1.98151565 , 281.325012
3.00000000 , 0.952010870 , 0.897361696 , 187.688004