xper,xns,xew,xco
0.100000001 , 10.2688761 , 10.5027046 , 1083.50000
0.200000003 , 22.6412601 , 30.2816734 , 1250.00000
0.300000012 , 15.5535908 , 11.2714310 , 1250.00000
0.500000000 , 10.3559914 , 6.68622684 , 1250.00000
1.00000000 , 2.35151768 , 1.45826721 , 700.000000
2.00000000 , 0.418150187 , 0.290098369 , 350.000000
3.00000000 , 0.208279237 , 0.121869013 , 233.500000