xper,xns,xew,xco
0.100000001 , 28.6745853 , 30.9982796 , 1083.50000
0.200000003 , 27.2878761 , 35.0229034 , 1250.00000
0.300000012 , 10.2057219 , 18.3670197 , 1250.00000
0.500000000 , 7.32598734 , 7.36887455 , 1250.00000
1.00000000 , 2.22018003 , 2.79967546 , 700.000000
2.00000000 , 0.842198730 , 0.507666111 , 350.000000
3.00000000 , 0.304058641 , 0.260861635 , 233.500000