xper,xns,xew,xco
0.100000001 , 33.7050781 , 19.0528774 , 1083.50000
0.200000003 , 32.9113503 , 22.4159164 , 1250.00000
0.300000012 , 22.7959042 , 24.5073318 , 1250.00000
0.500000000 , 9.78524399 , 12.1144943 , 1250.00000
1.00000000 , 3.49568248 , 2.95210171 , 700.000000
2.00000000 , 0.517306805 , 0.623892903 , 350.000000
3.00000000 , 0.193605080 , 0.294200659 , 233.500000