xper,xns,xew,xco
0.100000001 , 21.3385887 , 28.5688438 , 892.650024
0.200000003 , 23.7081203 , 65.9941025 , 1031.25000
0.300000012 , 33.1474991 , 37.1975517 , 1031.25000
0.500000000 , 5.79085302 , 6.33159304 , 1031.25000
1.00000000 , 0.848447502 , 1.00319695 , 562.650024
2.00000000 , 0.170233518 , 0.201915354 , 281.325012
3.00000000 , 6.81745633E-02 , 0.110173360 , 187.688004