xper,xns,xew,xco
0.100000001 , 28.6749496 , 30.9988613 , 1083.50000
0.200000003 , 27.2874660 , 35.0223656 , 1250.00000
0.300000012 , 10.2053242 , 18.3662052 , 1250.00000
0.500000000 , 7.32566643 , 7.36942768 , 1250.00000
1.00000000 , 2.21997190 , 2.79893327 , 700.000000
2.00000000 , 0.842279971 , 0.508826077 , 350.000000
3.00000000 , 0.303898036 , 0.261697739 , 233.500000