xper,xns,xew,xco
0.100000001 , 0.792094529 , 0.822136998 , 892.650024
0.200000003 , 1.25661826 , 1.50010002 , 1031.25000
0.300000012 , 1.78123462 , 1.80640948 , 1031.25000
0.500000000 , 2.02151012 , 3.84986043 , 1031.25000
1.00000000 , 1.12287831 , 0.898500562 , 562.650024
2.00000000 , 0.495716393 , 0.654600263 , 281.325012
3.00000000 , 0.166424453 , 0.317221582 , 187.688004