xper,xns,xew,xco
0.100000001 , 314.146698 , 343.630432 , 1083.50000
0.200000003 , 572.882629 , 575.159851 , 1250.00000
0.300000012 , 1103.08569 , 895.992737 , 1250.00000
0.500000000 , 475.845734 , 623.434082 , 1250.00000
1.00000000 , 137.034775 , 207.903351 , 700.000000
2.00000000 , 49.8719482 , 54.5650482 , 350.000000
3.00000000 , 19.3292618 , 23.8148537 , 233.500000