xper,xns,xew,xco
0.100000001 , 60.4682655 , 49.6496620 , 649.200012
0.200000003 , 112.930908 , 67.3105545 , 750.000000
0.300000012 , 96.6845169 , 44.3191109 , 750.000000
0.500000000 , 40.2206192 , 15.2671566 , 750.000000
1.00000000 , 10.3601770 , 7.65144539 , 399.899994
2.00000000 , 2.73262262 , 2.13870168 , 200.100006
3.00000000 , 1.09619069 , 0.769663811 , 133.199997