xper,xns,xew,xco
0.100000001 , 6.34826803 , 6.15210056 , 892.650024
0.200000003 , 1.08628380 , 1.30476224 , 1031.25000
0.300000012 , 1.15057063 , 1.43075514 , 1031.25000
0.500000000 , 2.30373526 , 2.02781057 , 1031.25000
1.00000000 , 1.87750232 , 2.30475330 , 562.650024
2.00000000 , 0.248371169 , 0.223355234 , 281.325012
3.00000000 , 0.115554467 , 9.16534513E-02 , 187.688004