xper,xns,xew,xco
0.100000001 , 21.1627827 , 21.7457867 , 1082.00000
0.200000003 , 66.5198669 , 61.8253937 , 1250.00000
0.300000012 , 25.5860424 , 43.2805138 , 1250.00000
0.500000000 , 11.5589685 , 26.0878582 , 1000.00000
1.00000000 , 2.97149014 , 4.60159302 , 500.000000
2.00000000 , 0.755935729 , 1.10857475 , 250.000000
3.00000000 , 0.240588695 , 0.437571883 , 144.500000