xper,xns,xew,xco
0.100000001 , 86.1898041 , 44.6743279 , 1083.50000
0.200000003 , 55.7117538 , 30.4464779 , 1250.00000
0.300000012 , 27.1089249 , 13.1172791 , 1250.00000
0.500000000 , 9.39739895 , 5.59743357 , 1250.00000
1.00000000 , 2.02445602 , 1.27723682 , 700.000000
2.00000000 , 0.489614069 , 0.246862501 , 350.000000
3.00000000 , 0.203766376 , 0.115712307 , 233.500000