xper,xns,xew,xco
0.100000001 , 28.4883595 , 30.0645695 , 892.650024
0.200000003 , 36.5901718 , 47.6954422 , 1031.25000
0.300000012 , 78.1202850 , 62.8214417 , 1031.25000
0.500000000 , 43.7797394 , 64.3133163 , 1031.25000
1.00000000 , 8.39738750 , 13.9090462 , 562.650024
2.00000000 , 1.33995461 , 1.81916106 , 281.325012
3.00000000 , 0.548893213 , 0.901345313 , 187.688004