xper,xns,xew,xco
0.100000001 , 0.523818851 , 0.315950662 , 892.650024
0.200000003 , 0.543406308 , 0.314975053 , 1031.25000
0.300000012 , 0.590491056 , 0.555230260 , 1031.25000
0.500000000 , 0.924565494 , 0.706076324 , 1031.25000
1.00000000 , 0.687840044 , 0.703651667 , 562.650024
2.00000000 , 0.384745955 , 0.200127661 , 281.325012
3.00000000 , 0.177571639 , 8.54082331E-02 , 187.688004