xper,xns,xew,xco
0.100000001 , 1.00641620 , 0.873569429 , 1083.50000
0.200000003 , 1.17394125 , 1.27076328 , 1250.00000
0.300000012 , 0.468925983 , 0.499898523 , 1250.00000
0.500000000 , 0.270458072 , 0.345748276 , 1250.00000
1.00000000 , 0.620562315 , 0.467466891 , 700.000000
2.00000000 , 8.08610991E-02 , 0.166101798 , 350.000000
3.00000000 , 2.60879435E-02 , 5.39241843E-02 , 233.500000