xper,xns,xew,xco
0.100000001 , 0.488235205 , 0.536282957 , 1190.19995
0.200000003 , 0.652337015 , 1.23109865 , 1375.00000
0.300000012 , 1.94393921 , 1.92079639 , 1375.00000
0.500000000 , 0.465725601 , 0.560245037 , 1375.00000
1.00000000 , 4.85524498E-02 , 5.71060069E-02 , 800.250000
2.00000000 , 1.16290767E-02 , 1.22926682E-02 , 399.850006
3.00000000 , 5.28012402E-03 , 5.31076780E-03 , 266.750000