xper,xns,xew,xco
0.100000001 , 60.4681053 , 49.6491699 , 649.200012
0.200000003 , 112.930748 , 67.3100510 , 750.000000
0.300000012 , 96.6846619 , 44.3196335 , 750.000000
0.500000000 , 40.2204704 , 15.2677221 , 750.000000
1.00000000 , 10.3603544 , 7.65193319 , 399.899994
2.00000000 , 2.73246026 , 2.13913822 , 200.100006
3.00000000 , 1.09631860 , 0.769153059 , 133.199997