xper,xns,xew,xco
0.100000001 , 86.1898041 , 44.6741295 , 1083.50000
0.200000003 , 55.7117615 , 30.4462757 , 1250.00000
0.300000012 , 27.1089172 , 13.1174898 , 1250.00000
0.500000000 , 9.39739799 , 5.59748125 , 1250.00000
1.00000000 , 2.02446175 , 1.27720439 , 700.000000
2.00000000 , 0.489623457 , 0.246614501 , 350.000000
3.00000000 , 0.203748316 , 0.115451895 , 233.500000