xper,xns,xew,xco
0.100000001 , 21.3386784 , 28.5688877 , 892.650024
0.200000003 , 23.7081909 , 65.9940033 , 1031.25000
0.300000012 , 33.1476479 , 37.1974068 , 1031.25000
0.500000000 , 5.79076672 , 6.33153772 , 1031.25000
1.00000000 , 0.848516643 , 1.00328147 , 562.650024
2.00000000 , 0.170205414 , 0.202134103 , 281.325012
3.00000000 , 6.81282729E-02 , 0.109779589 , 187.688004