xper,xns,xew,xco
0.100000001 , 0.757676959 , 0.780920208 , 892.650024
0.200000003 , 0.141718805 , 0.143078715 , 1031.25000
0.300000012 , 8.38514343E-02 , 7.99581930E-02 , 1031.25000
0.500000000 , 5.00937365E-02 , 6.46713600E-02 , 1031.25000
1.00000000 , 4.31799069E-02 , 4.84583676E-02 , 562.650024
2.00000000 , 2.61362754E-02 , 3.08152940E-02 , 281.325012
3.00000000 , 2.08957195E-02 , 2.68190484E-02 , 187.688004