xper,xns,xew,xco
0.100000001 , 10.2680540 , 10.5030079 , 1083.50000
0.200000003 , 22.6429367 , 30.2815132 , 1250.00000
0.300000012 , 15.5519171 , 16.9675045 , 1250.00000
0.500000000 , 11.9807949 , 8.05405521 , 1250.00000
1.00000000 , 3.49321985 , 1.74819684 , 700.000000
2.00000000 , 0.461261570 , 0.311723709 , 350.000000
3.00000000 , 0.209837481 , 0.169978812 , 233.500000