xper,xns,xew,xco
0.100000001 , 0.296617717 , 0.463662416 , 1190.19995
0.200000003 , 0.594576478 , 0.855216205 , 1375.00000
0.300000012 , 0.887349129 , 0.712828994 , 1375.00000
0.500000000 , 0.199680045 , 0.491203517 , 1375.00000
1.00000000 , 2.37850882E-02 , 4.65873703E-02 , 800.250000
2.00000000 , 6.42636279E-03 , 1.05965640E-02 , 399.850006
3.00000000 , 2.96890154E-03 , 6.32709125E-03 , 266.750000