xper,xns,xew,xco
0.100000001 , 314.149048 , 343.621155 , 1083.50000
0.200000003 , 572.877991 , 575.150330 , 1250.00000
0.300000012 , 1103.08252 , 896.002380 , 1250.00000
0.500000000 , 475.841675 , 623.427124 , 1250.00000
1.00000000 , 137.030350 , 207.893921 , 700.000000
2.00000000 , 49.8784676 , 54.5667267 , 350.000000
3.00000000 , 19.3345795 , 23.8006001 , 233.500000