xper,xns,xew,xco
0.100000001 , 27.5920010 , 25.1442223 , 1083.50000
0.200000003 , 28.9228172 , 25.2290783 , 1250.00000
0.300000012 , 17.4240685 , 20.2996635 , 1250.00000
0.500000000 , 5.73926687 , 12.2869473 , 1250.00000
1.00000000 , 0.949757397 , 2.32811713 , 700.000000
2.00000000 , 0.268712312 , 0.625461578 , 350.000000
3.00000000 , 0.113651432 , 0.305021316 , 233.500000