xper,xns,xew,xco
0.100000001 , 2.19707036 , 2.67974401 , 892.650024
0.200000003 , 3.04585648 , 3.20074582 , 1031.25000
0.300000012 , 3.84670091 , 5.33630371 , 1031.25000
0.500000000 , 4.48608732 , 3.32292461 , 1031.25000
1.00000000 , 1.30475485 , 1.74900508 , 562.650024
2.00000000 , 0.534445465 , 1.17783082 , 281.325012
3.00000000 , 0.431564718 , 0.307300419 , 187.688004