xper,xns,xew,xco
0.100000001 , 2.19701862 , 2.67974567 , 892.650024
0.200000003 , 3.04591703 , 3.20074415 , 1031.25000
0.300000012 , 3.84662700 , 5.33630562 , 1031.25000
0.500000000 , 4.48613024 , 3.32292581 , 1031.25000
1.00000000 , 1.30482745 , 1.74900568 , 562.650024
2.00000000 , 0.534499824 , 1.17782891 , 281.325012
3.00000000 , 0.431545377 , 0.307298511 , 187.688004