xper,xns,xew,xco
0.100000001 , 30.4451542 , 16.8907661 , 1083.50000
0.200000003 , 29.1090298 , 22.3426590 , 1250.00000
0.300000012 , 24.5860558 , 22.8727531 , 1250.00000
0.500000000 , 26.8825169 , 9.51006222 , 1250.00000
1.00000000 , 8.55221844 , 5.17872190 , 700.000000
2.00000000 , 2.16035128 , 1.26586390 , 350.000000
3.00000000 , 0.784326851 , 0.620061696 , 233.500000