xper,xns,xew,xco
0.100000001 , 0.601798296 , 0.537010968 , 892.650024
0.200000003 , 0.952395499 , 0.831701815 , 1031.25000
0.300000012 , 1.24530149 , 0.984968841 , 1031.25000
0.500000000 , 1.28390539 , 1.30167425 , 1031.25000
1.00000000 , 0.502193093 , 0.632058561 , 562.650024
2.00000000 , 0.122049905 , 0.109762892 , 281.325012
3.00000000 , 3.33449654E-02 , 3.54632363E-02 , 187.688004