xper,xns,xew,xco
0.100000001 , 0.949551940 , 0.550611734 , 1082.00000
0.200000003 , 0.224700853 , 0.223819315 , 1250.00000
0.300000012 , 0.329834521 , 0.273598224 , 1250.00000
0.500000000 , 0.170694128 , 0.306249440 , 1000.00000
1.00000000 , 6.93600327E-02 , 6.58385754E-02 , 500.000000
2.00000000 , 2.65010577E-02 , 2.67303549E-02 , 250.000000
3.00000000 , 1.33617632E-02 , 9.01485514E-03 , 144.500000