xper,xns,xew,xco
0.100000001 , 0.633329391 , 1.03497338 , 1190.19995
0.200000003 , 0.477354705 , 1.09907258 , 1375.00000
0.300000012 , 0.495758593 , 1.09851503 , 1375.00000
0.500000000 , 0.473410517 , 1.09882402 , 1375.00000
1.00000000 , 0.464096129 , 1.02700984 , 800.250000
2.00000000 , 0.873747349 , 1.01411533 , 399.850006
3.00000000 , 1.42974865 , 1.79957092 , 266.750000