xper,xns,xew,xco
0.100000001 , 0.903927207 , 0.590986133 , 892.650024
0.200000003 , 0.629182696 , 0.626057744 , 1031.25000
0.300000012 , 0.350558102 , 0.348315239 , 1031.25000
0.500000000 , 0.242671013 , 0.232721165 , 1031.25000
1.00000000 , 0.131353766 , 0.119727008 , 562.650024
2.00000000 , 0.104720145 , 9.90594178E-02 , 281.325012
3.00000000 , 7.32555985E-02 , 5.50160185E-02 , 187.688004