xper,xns,xew,xco
0.100000001 , 1.06281531 , 0.940585256 , 892.650024
0.200000003 , 0.988737345 , 1.04029202 , 1031.25000
0.300000012 , 1.20309961 , 1.17583823 , 1031.25000
0.500000000 , 2.72192454 , 2.29265976 , 1031.25000
1.00000000 , 2.35362601 , 1.81327057 , 562.650024
2.00000000 , 2.38760638 , 2.42530751 , 281.325012
3.00000000 , 1.29852772 , 1.26374948 , 187.688004