xper,xns,xew,xco
0.100000001 , 49.6959267 , 33.2587357 , 1083.50000
0.200000003 , 89.1720352 , 64.8904190 , 1250.00000
0.300000012 , 75.1331177 , 37.0328484 , 1250.00000
0.500000000 , 11.5123510 , 11.0491953 , 1250.00000
1.00000000 , 3.04708266 , 1.98816431 , 700.000000
2.00000000 , 0.703843474 , 0.428275347 , 350.000000
3.00000000 , 0.224357858 , 0.154611930 , 233.500000