xper,xns,xew,xco
0.100000001 , 0.316013753 , 0.278778732 , 1082.00000
0.200000003 , 0.360113859 , 0.562701523 , 1250.00000
0.300000012 , 0.236739203 , 0.270130724 , 1250.00000
0.500000000 , 8.83080959E-02 , 9.92678702E-02 , 1000.00000
1.00000000 , 6.39092550E-02 , 6.69502020E-02 , 500.000000
2.00000000 , 3.72750387E-02 , 4.28607613E-02 , 250.000000
3.00000000 , 1.88285653E-02 , 1.11383041E-02 , 144.500000