xper,xns,xew,xco
0.100000001 , 86.1900406 , 44.6740456 , 1083.50000
0.200000003 , 55.7119904 , 30.4461899 , 1250.00000
0.300000012 , 27.1086903 , 13.1175766 , 1250.00000
0.500000000 , 9.39763451 , 5.59748840 , 1250.00000
1.00000000 , 2.02469563 , 1.27720380 , 700.000000
2.00000000 , 0.489830226 , 0.246519223 , 350.000000
3.00000000 , 0.203989163 , 0.115315586 , 233.500000