xper,xns,xew,xco
0.100000001 , 2.66844749 , 2.50725174 , 892.650024
0.200000003 , 5.02796268 , 3.02513123 , 1031.25000
0.300000012 , 5.29349422 , 3.68074703 , 1031.25000
0.500000000 , 3.93630457 , 2.75016546 , 1031.25000
1.00000000 , 0.859669983 , 1.04097986 , 562.650024
2.00000000 , 0.250169545 , 0.284384519 , 281.325012
3.00000000 , 8.76589492E-02 , 8.83753300E-02 , 187.688004