xper,xns,xew,xco
0.100000001 , 10.2677746 , 10.5031004 , 1083.50000
0.200000003 , 22.6432247 , 30.2816048 , 1250.00000
0.300000012 , 15.5516329 , 16.9676342 , 1250.00000
0.500000000 , 11.9804525 , 8.05418015 , 1250.00000
1.00000000 , 3.49356198 , 1.74831879 , 700.000000
2.00000000 , 0.461643726 , 0.311554104 , 350.000000
3.00000000 , 0.210117728 , 0.170154363 , 233.500000