xper,xns,xew,xco
0.100000001 , 71.0304565 , 69.0898438 , 892.650024
0.200000003 , 129.537720 , 180.715515 , 1031.25000
0.300000012 , 180.041397 , 142.188583 , 1031.25000
0.500000000 , 42.7410355 , 22.7745285 , 1031.25000
1.00000000 , 6.94864655 , 3.96348691 , 562.650024
2.00000000 , 1.11805820 , 0.938886106 , 281.325012
3.00000000 , 0.464618444 , 0.424889892 , 187.688004