xper,xns,xew,xco
0.100000001 , 7.35352850 , 5.84647942 , 892.650024
0.200000003 , 11.1029940 , 11.2896528 , 1031.25000
0.300000012 , 17.5082703 , 20.3319206 , 1031.25000
0.500000000 , 14.2135057 , 12.4376230 , 1031.25000
1.00000000 , 4.58559084 , 2.76061487 , 562.650024
2.00000000 , 0.568840802 , 0.539094031 , 281.325012
3.00000000 , 0.239294767 , 0.190548271 , 187.688004