xper,xns,xew,xco
0.100000001 , 1.46560478 , 1.03256178 , 1190.19995
0.200000003 , 1.54910684 , 0.997908652 , 1375.00000
0.300000012 , 1.50921893 , 1.87305224 , 1375.00000
0.500000000 , 1.88529253 , 2.33687067 , 1375.00000
1.00000000 , 2.60606837 , 2.55869126 , 800.250000
2.00000000 , 0.840917468 , 1.09103143 , 399.850006
3.00000000 , 0.386228830 , 0.280485630 , 266.750000