xper,xns,xew,xco
0.100000001 , 12.9572811 , 8.16365051 , 1083.50000
0.200000003 , 30.0778427 , 23.2259617 , 1250.00000
0.300000012 , 27.3549957 , 16.7849426 , 1250.00000
0.500000000 , 13.2175512 , 6.05188322 , 1250.00000
1.00000000 , 2.15643501 , 2.06375337 , 700.000000
2.00000000 , 0.587241650 , 0.367441922 , 350.000000
3.00000000 , 0.287356645 , 0.152173325 , 233.500000