xper,xns,xew,xco
0.100000001 , 0.325507671 , 0.624580979 , 892.650024
0.200000003 , 0.548530161 , 0.483510077 , 1031.25000
0.300000012 , 0.816193461 , 0.992916346 , 1031.25000
0.500000000 , 1.09448051 , 1.01873159 , 1031.25000
1.00000000 , 0.480169088 , 0.391150147 , 562.650024
2.00000000 , 0.129957348 , 0.115571164 , 281.325012
3.00000000 , 4.55197059E-02 , 6.02379330E-02 , 187.688004