xper,xns,xew,xco
0.100000001 , 0.689148486 , 0.758195937 , 1083.50000
0.200000003 , 0.610732257 , 0.630932212 , 1250.00000
0.300000012 , 0.466039240 , 0.566440523 , 1250.00000
0.500000000 , 9.00681168E-02 , 7.38124773E-02 , 1250.00000
1.00000000 , 2.06454992E-02 , 1.45834191E-02 , 700.000000
2.00000000 , 7.90771656E-03 , 5.80261508E-03 , 350.000000
3.00000000 , 4.93004266E-03 , 5.13571315E-03 , 233.500000