xper,xns,xew,xco
0.100000001 , 26.4482822 , 27.1907043 , 1082.00000
0.200000003 , 62.2753372 , 59.8423958 , 1250.00000
0.300000012 , 28.2993069 , 52.5218430 , 1250.00000
0.500000000 , 11.9926682 , 19.7185287 , 1000.00000
1.00000000 , 2.48880267 , 5.37800360 , 500.000000
2.00000000 , 0.850824237 , 1.87105703 , 250.000000
3.00000000 , 0.420638740 , 1.04223192 , 144.500000