xper,xns,xew,xco
0.100000001 , 7.03911734 , 10.7383089 , 892.650024
0.200000003 , 13.7573109 , 24.4495258 , 1031.25000
0.300000012 , 10.5158796 , 15.1829472 , 1031.25000
0.500000000 , 5.00058556 , 2.81799555 , 1031.25000
1.00000000 , 1.34791899 , 1.05160272 , 562.650024
2.00000000 , 0.395892441 , 0.334316969 , 281.325012
3.00000000 , 0.223302796 , 0.193540558 , 187.688004