xper,xns,xew,xco
0.100000001 , 314.118073 , 343.618195 , 1083.50000
0.200000003 , 572.922974 , 575.139282 , 1250.00000
0.300000012 , 1103.13721 , 896.017883 , 1250.00000
0.500000000 , 475.889801 , 623.413574 , 1250.00000
1.00000000 , 137.079926 , 207.881744 , 700.000000
2.00000000 , 49.8185005 , 54.5346947 , 350.000000
3.00000000 , 19.3758106 , 23.8570213 , 233.500000