xper,xns,xew,xco
0.100000001 , 27.3062611 , 25.4342422 , 892.650024
0.200000003 , 62.1702118 , 28.7856922 , 1031.25000
0.300000012 , 60.1005287 , 23.6221638 , 1031.25000
0.500000000 , 22.4566345 , 22.1469841 , 1031.25000
1.00000000 , 8.05064392 , 7.26544237 , 562.650024
2.00000000 , 1.02661633 , 0.980517626 , 281.325012
3.00000000 , 0.468495578 , 0.444234848 , 187.688004