xper,xns,xew,xco
0.100000001 , 27.3062229 , 25.4343224 , 892.650024
0.200000003 , 62.1701736 , 28.7858028 , 1031.25000
0.300000012 , 60.1004906 , 23.6222305 , 1031.25000
0.500000000 , 22.4566650 , 22.1469212 , 1031.25000
1.00000000 , 8.05068398 , 7.26537228 , 562.650024
2.00000000 , 1.02656674 , 0.980588555 , 281.325012
3.00000000 , 0.468434185 , 0.444187969 , 187.688004