xper,xns,xew,xco
0.100000001 , 11.3485909 , 8.76114750 , 892.650024
0.200000003 , 11.9344263 , 10.4191046 , 1031.25000
0.300000012 , 12.6930008 , 14.0361948 , 1031.25000
0.500000000 , 6.70527172 , 9.18615341 , 1031.25000
1.00000000 , 1.50913751 , 2.77942514 , 562.650024
2.00000000 , 0.797576427 , 0.581071734 , 281.325012
3.00000000 , 0.141883284 , 0.152463838 , 187.688004