xper,xns,xew,xco
0.100000001 , 1.32652187 , 0.847540736 , 892.650024
0.200000003 , 0.513477623 , 0.308761626 , 1031.25000
0.300000012 , 0.386548281 , 0.251248807 , 1031.25000
0.500000000 , 0.244932592 , 0.178566664 , 1031.25000
1.00000000 , 0.150349677 , 0.111482009 , 562.650024
2.00000000 , 8.44560638E-02 , 5.71128726E-02 , 281.325012
3.00000000 , 7.54779801E-02 , 6.09754249E-02 , 187.688004