xper,xns,xew,xco
0.100000001 , 2.25752778E-02 , 1.67621765E-02 , 892.650024
0.200000003 , 2.30563674E-02 , 1.68808643E-02 , 1031.25000
0.300000012 , 2.05796212E-02 , 1.22194216E-02 , 1031.25000
0.500000000 , 4.04088665E-03 , 4.91320621E-03 , 1031.25000
1.00000000 , 2.87228636E-03 , 2.05205055E-03 , 562.650024
2.00000000 , 1.86979002E-03 , 1.30264775E-03 , 281.325012
3.00000000 , 1.07912254E-03 , 1.88542716E-03 , 187.688004