xper,xns,xew,xco
0.100000001 , 18.2611942 , 16.3156471 , 1082.00000
0.200000003 , 34.8705368 , 31.3801994 , 1250.00000
0.300000012 , 45.8121910 , 51.5365906 , 1250.00000
0.500000000 , 9.29424381 , 12.1563768 , 1000.00000
1.00000000 , 1.46349406 , 1.77422690 , 500.000000
2.00000000 , 0.333117425 , 0.367600173 , 250.000000
3.00000000 , 0.138705865 , 0.156292126 , 144.500000