xper,xns,xew,xco
0.100000001 , 1.75066817 , 1.83272564 , 892.650024
0.200000003 , 1.95239830 , 2.60044980 , 1031.25000
0.300000012 , 2.86721659 , 3.45904326 , 1031.25000
0.500000000 , 4.60144472 , 4.87312889 , 1031.25000
1.00000000 , 3.74714422 , 4.82554960 , 562.650024
2.00000000 , 2.36212826 , 3.90124226 , 281.325012
3.00000000 , 1.35500753 , 2.29816508 , 187.688004