xper,xns,xew,xco
0.100000001 , 17.7542896 , 27.0129242 , 649.200012
0.200000003 , 34.5681458 , 36.4023018 , 750.000000
0.300000012 , 51.6899643 , 71.7155075 , 750.000000
0.500000000 , 55.2064095 , 102.167961 , 750.000000
1.00000000 , 20.5301666 , 19.0730782 , 399.899994
2.00000000 , 3.37239337 , 3.21153688 , 200.100006
3.00000000 , 1.08501399 , 1.44876993 , 133.199997