xper,xns,xew,xco
0.100000001 , 0.364040732 , 0.372224599 , 973.799988
0.200000003 , 0.398940533 , 0.294256389 , 1125.00000
0.300000012 , 0.693576157 , 0.450309902 , 1125.00000
0.500000000 , 0.991574347 , 0.562422395 , 1125.00000
1.00000000 , 0.257443637 , 0.315485060 , 675.000000
2.00000000 , 5.60952500E-02 , 5.25509641E-02 , 337.500000
3.00000000 , 2.85000131E-02 , 2.22878158E-02 , 225.000000