xper,xns,xew,xco
0.100000001 , 27.3071594 , 25.4342804 , 892.650024
0.200000003 , 62.1711082 , 28.7857380 , 1031.25000
0.300000012 , 60.1014404 , 23.6221886 , 1031.25000
0.500000000 , 22.4557304 , 22.1469612 , 1031.25000
1.00000000 , 8.04965687 , 7.26541185 , 562.650024
2.00000000 , 1.02749252 , 0.980545580 , 281.325012
3.00000000 , 0.469430238 , 0.444203675 , 187.688004