xper,xns,xew,xco
0.100000001 , 1.16102660 , 1.81303453 , 1083.50000
0.200000003 , 2.76209474 , 3.25189686 , 1250.00000
0.300000012 , 1.73608994 , 1.69671440 , 1250.00000
0.500000000 , 0.539686382 , 0.569685459 , 1250.00000
1.00000000 , 7.17755482E-02 , 0.188362733 , 700.000000
2.00000000 , 2.62511913E-02 , 7.08263367E-02 , 350.000000
3.00000000 , 1.47573799E-02 , 4.86337841E-02 , 233.500000