xper,xns,xew,xco
0.100000001 , 2.25329614 , 1.47390795 , 1083.50000
0.200000003 , 4.78835106 , 3.51152778 , 1250.00000
0.300000012 , 5.33976984 , 4.68780422 , 1250.00000
0.500000000 , 3.51972699 , 2.51581407 , 1250.00000
1.00000000 , 0.433294237 , 0.467798442 , 700.000000
2.00000000 , 0.170681089 , 9.12644863E-02 , 350.000000
3.00000000 , 9.13614631E-02 , 3.69644649E-02 , 233.500000