xper,xns,xew,xco
0.100000001 , 0.351813883 , 0.300951511 , 892.650024
0.200000003 , 0.226903126 , 0.221854866 , 1031.25000
0.300000012 , 0.177506343 , 0.130415842 , 1031.25000
0.500000000 , 0.127545208 , 8.60264972E-02 , 1031.25000
1.00000000 , 8.15916732E-02 , 6.60152137E-02 , 562.650024
2.00000000 , 5.60819916E-02 , 3.64436246E-02 , 281.325012
3.00000000 , 3.15581374E-02 , 3.03226672E-02 , 187.688004