xper,xns,xew,xco
0.100000001 , 33.7098618 , 19.0505180 , 1083.50000
0.200000003 , 32.9161339 , 22.4182529 , 1250.00000
0.300000012 , 17.9546566 , 24.5049782 , 1250.00000
0.500000000 , 6.65728617 , 12.1121340 , 1250.00000
1.00000000 , 1.37587500 , 2.38069677 , 700.000000
2.00000000 , 0.281314194 , 0.621549547 , 350.000000
3.00000000 , 0.120904095 , 0.291871756 , 233.500000