xper,xns,xew,xco
0.100000001 , 90.0190506 , 46.0372887 , 1083.50000
0.200000003 , 54.0770988 , 31.3190842 , 1250.00000
0.300000012 , 27.3576088 , 12.9665098 , 1250.00000
0.500000000 , 9.39417362 , 4.53652430 , 1250.00000
1.00000000 , 2.06645799 , 0.952428341 , 700.000000
2.00000000 , 0.504703224 , 0.246484324 , 350.000000
3.00000000 , 0.211329535 , 0.118948594 , 233.500000