xper,xns,xew,xco
0.100000001 , 49.6959610 , 33.2587662 , 1083.50000
0.200000003 , 89.1720810 , 64.8903885 , 1250.00000
0.300000012 , 75.1331482 , 37.0328674 , 1250.00000
0.500000000 , 11.5123987 , 11.0492258 , 1250.00000
1.00000000 , 3.04711223 , 1.98815870 , 700.000000
2.00000000 , 0.703844666 , 0.428245217 , 350.000000
3.00000000 , 0.224410892 , 0.154608965 , 233.500000