xper,xns,xew,xco
0.100000001 , 0.488538504 , 0.536336601 , 1190.19995
0.200000003 , 0.651996911 , 1.23140204 , 1375.00000
0.300000012 , 1.94406855 , 1.92048562 , 1375.00000
0.500000000 , 0.465595990 , 0.560547411 , 1375.00000
1.00000000 , 4.88922857E-02 , 5.74080683E-02 , 800.250000
2.00000000 , 1.18626701E-02 , 1.25711644E-02 , 399.850006
3.00000000 , 5.61842462E-03 , 5.58415055E-03 , 266.750000