xper,xns,xew,xco
0.100000001 , 38.3409729 , 23.8479481 , 892.650024
0.200000003 , 16.5319080 , 11.8498001 , 1031.25000
0.300000012 , 6.39474154 , 4.76948881 , 1031.25000
0.500000000 , 3.07116485 , 2.11549497 , 1031.25000
1.00000000 , 0.829218686 , 0.457379967 , 562.650024
2.00000000 , 0.183682457 , 0.105533801 , 281.325012
3.00000000 , 0.109821364 , 5.74013330E-02 , 187.688004