xper,xns,xew,xco
0.100000001 , 86.1893082 , 44.6745377 , 1083.50000
0.200000003 , 55.7112656 , 30.4466820 , 1250.00000
0.300000012 , 27.1094170 , 13.1170759 , 1250.00000
0.500000000 , 9.39692974 , 5.59736967 , 1250.00000
1.00000000 , 2.02395988 , 1.27728415 , 700.000000
2.00000000 , 0.489181042 , 0.247124985 , 350.000000
3.00000000 , 0.203293025 , 0.115962505 , 233.500000