xper,xns,xew,xco
0.100000001 , 7.35352850 , 5.84648895 , 892.650024
0.200000003 , 11.1029863 , 11.2896490 , 1031.25000
0.300000012 , 17.5082779 , 20.3319263 , 1031.25000
0.500000000 , 14.2135029 , 12.4376183 , 1031.25000
1.00000000 , 4.58559752 , 2.76062298 , 562.650024
2.00000000 , 0.568833351 , 0.539095700 , 281.325012
3.00000000 , 0.239281610 , 0.190544039 , 187.688004