xper,xns,xew,xco
0.100000001 , 10.2678461 , 10.5031719 , 1083.50000
0.200000003 , 22.6431484 , 30.2816772 , 1250.00000
0.300000012 , 15.5517082 , 16.9677238 , 1250.00000
0.500000000 , 11.9805517 , 8.05427456 , 1250.00000
1.00000000 , 3.49346423 , 1.74841201 , 700.000000
2.00000000 , 0.461528420 , 0.311436892 , 350.000000
3.00000000 , 0.210044205 , 0.170259029 , 233.500000