xper,xns,xew,xco
0.100000001 , 55.0506821 , 49.9599495 , 892.650024
0.200000003 , 60.8459625 , 59.5849419 , 1031.25000
0.300000012 , 44.0649948 , 19.9097939 , 1031.25000
0.500000000 , 10.9348536 , 11.2865686 , 1031.25000
1.00000000 , 2.23738074 , 1.50086057 , 562.650024
2.00000000 , 0.787313342 , 0.256639630 , 281.325012
3.00000000 , 0.192685798 , 0.118506059 , 187.688004