xper,xns,xew,xco
0.100000001 , 0.523448527 , 0.315971702 , 892.650024
0.200000003 , 0.543014824 , 0.314955622 , 1031.25000
0.300000012 , 0.590673506 , 0.555254221 , 1031.25000
0.500000000 , 0.924755633 , 0.706097126 , 1031.25000
1.00000000 , 0.687940121 , 0.703628540 , 562.650024
2.00000000 , 0.384855151 , 0.200144678 , 281.325012
3.00000000 , 0.177784398 , 8.54153037E-02 , 187.688004