xper,xns,xew,xco
0.100000001 , 25.5787430 , 15.5889788 , 892.650024
0.200000003 , 18.5738735 , 16.6567039 , 1031.25000
0.300000012 , 13.4919500 , 21.8515625 , 1031.25000
0.500000000 , 11.5178528 , 10.5407324 , 1031.25000
1.00000000 , 3.56063914 , 4.17402363 , 562.650024
2.00000000 , 0.768450677 , 1.23343647 , 281.325012
3.00000000 , 0.301424861 , 0.367107064 , 187.688004