xper,xns,xew,xco
0.100000001 , 3.91226363 , 4.99589920 , 1083.50000
0.200000003 , 4.86489868 , 6.16515493 , 1250.00000
0.300000012 , 2.50947165 , 2.46074128 , 1250.00000
0.500000000 , 1.04655230 , 1.64308071 , 1250.00000
1.00000000 , 0.432928443 , 0.432147264 , 700.000000
2.00000000 , 0.617015541 , 0.581119716 , 350.000000
3.00000000 , 1.04606152 , 0.854612589 , 233.500000