xper,xns,xew,xco
0.100000001 , 0.187708378 , 0.158705577 , 892.650024
0.200000003 , 0.124440283 , 0.113323309 , 1031.25000
0.300000012 , 3.31694856E-02 , 2.48561203E-02 , 1031.25000
0.500000000 , 9.29700769E-03 , 6.69444725E-03 , 1031.25000
1.00000000 , 1.61967706E-03 , 1.88788795E-03 , 562.650024
2.00000000 , 1.20842177E-03 , 8.90644442E-04 , 281.325012
3.00000000 , 1.06953806E-03 , 9.41453909E-04 , 187.688004