xper,xns,xew,xco
0.100000001 , 27.3062649 , 25.4342480 , 892.650024
0.200000003 , 62.1702194 , 28.7857037 , 1031.25000
0.300000012 , 60.1005287 , 23.6221733 , 1031.25000
0.500000000 , 22.4566307 , 22.1469784 , 1031.25000
1.00000000 , 8.05063534 , 7.26543236 , 562.650024
2.00000000 , 1.02660811 , 0.980540037 , 281.325012
3.00000000 , 0.468497336 , 0.444219947 , 187.688004