xper,xns,xew,xco
0.100000001 , 2.06153679 , 2.42754197 , 1083.50000
0.200000003 , 3.11004663 , 3.85097504 , 1250.00000
0.300000012 , 2.07145143 , 1.86311734 , 1250.00000
0.500000000 , 0.772270799 , 0.874356270 , 1250.00000
1.00000000 , 0.193949610 , 0.196243241 , 700.000000
2.00000000 , 4.06424552E-02 , 3.95430662E-02 , 350.000000
3.00000000 , 1.81255788E-02 , 1.79723613E-02 , 233.500000