xper,xns,xew,xco
0.100000001 , 27.3058987 , 25.4333744 , 892.650024
0.200000003 , 62.1697922 , 28.7843342 , 1031.25000
0.300000012 , 60.0998192 , 23.6209488 , 1031.25000
0.500000000 , 22.4572449 , 22.1480980 , 1031.25000
1.00000000 , 8.05156708 , 7.26656961 , 562.650024
2.00000000 , 1.02582121 , 0.979311109 , 281.325012
3.00000000 , 0.467757165 , 0.445465952 , 187.688004