xper,xns,xew,xco
0.100000001 , 1.71170592 , 1.28454709 , 649.200012
0.200000003 , 2.02709198 , 1.63417280 , 750.000000
0.300000012 , 2.25522661 , 2.68559527 , 750.000000
0.500000000 , 4.92460442 , 3.99597502 , 750.000000
1.00000000 , 1.98772514 , 2.04493427 , 399.899994
2.00000000 , 0.399243951 , 0.376887381 , 200.100006
3.00000000 , 0.167137027 , 0.154008314 , 133.199997