xper,xns,xew,xco
0.100000001 , 38.3419762 , 23.8474560 , 892.650024
0.200000003 , 16.5309029 , 11.8493071 , 1031.25000
0.300000012 , 6.39376307 , 4.76997852 , 1031.25000
0.500000000 , 3.07017446 , 2.11499071 , 1031.25000
1.00000000 , 0.828048944 , 0.456799984 , 562.650024
2.00000000 , 0.184659258 , 0.106114842 , 281.325012
3.00000000 , 0.110810056 , 5.79289086E-02 , 187.688004