xper,xns,xew,xco
0.100000001 , 60.4680977 , 49.6491470 , 649.200012
0.200000003 , 112.930702 , 67.3100204 , 750.000000
0.300000012 , 96.6846848 , 44.3196526 , 750.000000
0.500000000 , 40.2204628 , 15.2677536 , 750.000000
1.00000000 , 10.3603239 , 7.65195847 , 399.899994
2.00000000 , 2.73241425 , 2.13919830 , 200.100006
3.00000000 , 1.09631658 , 0.769076407 , 133.199997