xper,xns,xew,xco
0.100000001 , 71.0270233 , 69.0902710 , 892.650024
0.200000003 , 129.541397 , 180.716934 , 1031.25000
0.300000012 , 180.044952 , 142.188339 , 1031.25000
0.500000000 , 42.7466354 , 22.7745800 , 1031.25000
1.00000000 , 6.95512056 , 3.96314120 , 562.650024
2.00000000 , 1.15780818 , 0.938538969 , 281.325012
3.00000000 , 0.499283195 , 0.417117417 , 187.688004