xper,xns,xew,xco
0.100000001 , 21.1628723 , 21.7459755 , 1082.00000
0.200000003 , 66.5199661 , 61.8256073 , 1250.00000
0.300000012 , 25.5861340 , 43.2807121 , 1250.00000
0.500000000 , 11.5590620 , 26.0876484 , 1000.00000
1.00000000 , 2.97140980 , 4.60180569 , 500.000000
2.00000000 , 0.756025791 , 1.10837173 , 250.000000
3.00000000 , 0.240500152 , 0.437381029 , 144.500000