xper,xns,xew,xco
0.100000001 , 25.5786610 , 15.5889606 , 892.650024
0.200000003 , 18.5741844 , 16.6567211 , 1031.25000
0.300000012 , 13.4916382 , 21.8516102 , 1031.25000
0.500000000 , 11.5175323 , 10.5407724 , 1031.25000
1.00000000 , 3.56080413 , 4.17399979 , 562.650024
2.00000000 , 0.768350363 , 1.23344111 , 281.325012
3.00000000 , 0.301518708 , 0.367110282 , 187.688004