xper,xns,xew,xco
0.100000001 , 0.337981254 , 0.708290517 , 1190.19995
0.200000003 , 0.320403546 , 0.698757887 , 1375.00000
0.300000012 , 0.330829173 , 0.727672160 , 1375.00000
0.500000000 , 0.407324255 , 0.756024778 , 1375.00000
1.00000000 , 0.539518476 , 1.09864295 , 800.250000
2.00000000 , 0.907450259 , 1.86766839 , 399.850006
3.00000000 , 0.435928553 , 0.637066543 , 266.750000