xper,xns,xew,xco
0.100000001 , 0.949553728 , 0.550611258 , 1082.00000
0.200000003 , 0.224702150 , 0.223847464 , 1250.00000
0.300000012 , 0.329851985 , 0.273624390 , 1250.00000
0.500000000 , 0.170712501 , 0.306227893 , 1000.00000
1.00000000 , 6.93772063E-02 , 6.58191368E-02 , 500.000000
2.00000000 , 2.64913589E-02 , 2.67313402E-02 , 250.000000
3.00000000 , 1.33816050E-02 , 9.00335051E-03 , 144.500000