xper,xns,xew,xco
0.100000001 , 60.4679222 , 49.6490555 , 649.200012
0.200000003 , 112.930519 , 67.3099365 , 750.000000
0.300000012 , 96.6848450 , 44.3197594 , 750.000000
0.500000000 , 40.2202873 , 15.2678566 , 750.000000
1.00000000 , 10.3605289 , 7.65204144 , 399.899994
2.00000000 , 2.73218846 , 2.13929129 , 200.100006
3.00000000 , 1.09650218 , 0.769036293 , 133.199997