xper,xns,xew,xco
0.100000001 , 71.0325699 , 69.0883331 , 892.650024
0.200000003 , 129.539124 , 180.711823 , 1031.25000
0.300000012 , 180.044235 , 142.187958 , 1031.25000
0.500000000 , 42.7465744 , 22.7755508 , 1031.25000
1.00000000 , 6.95688677 , 3.96404839 , 562.650024
2.00000000 , 1.15609097 , 0.940158427 , 281.325012
3.00000000 , 0.497470766 , 0.417973071 , 187.688004