xper,xns,xew,xco
0.100000001 , 28.4979744 , 26.9357185 , 892.650024
0.200000003 , 36.5871429 , 48.6961288 , 1031.25000
0.300000012 , 78.1278229 , 62.0989304 , 1031.25000
0.500000000 , 62.3446732 , 64.4558487 , 1031.25000
1.00000000 , 10.2242117 , 13.9657297 , 562.650024
2.00000000 , 2.07780766 , 1.87106359 , 281.325012
3.00000000 , 0.733613491 , 0.876055837 , 187.688004