xper,xns,xew,xco
0.100000001 , 60.4681015 , 49.6493034 , 649.200012
0.200000003 , 112.930710 , 67.3101730 , 750.000000
0.300000012 , 96.6846466 , 44.3194809 , 750.000000
0.500000000 , 40.2204590 , 15.2675810 , 750.000000
1.00000000 , 10.3603382 , 7.65181637 , 399.899994
2.00000000 , 2.73247671 , 2.13910699 , 200.100006
3.00000000 , 1.09633565 , 0.769265294 , 133.199997