xper,xns,xew,xco
0.100000001 , 1.28839898 , 1.05772316 , 1083.50000
0.200000003 , 1.25946462 , 1.29998744 , 1250.00000
0.300000012 , 0.940798938 , 0.848006845 , 1250.00000
0.500000000 , 1.48207676 , 1.27108836 , 1250.00000
1.00000000 , 2.49377465 , 1.88090134 , 700.000000
2.00000000 , 0.608552516 , 0.446388841 , 350.000000
3.00000000 , 0.259825438 , 0.137124866 , 233.500000