xper,xns,xew,xco
0.100000001 , 60.4751320 , 49.6137543 , 649.200012
0.200000003 , 112.854103 , 59.0145874 , 750.000000
0.300000012 , 96.6774063 , 40.4428711 , 750.000000
0.500000000 , 40.2275085 , 14.2587032 , 750.000000
1.00000000 , 10.3531780 , 7.64303637 , 399.899994
2.00000000 , 2.73953128 , 2.12743139 , 200.100006
3.00000000 , 1.08933210 , 0.778008699 , 133.199997