xper,xns,xew,xco
0.100000001 , 13.3854389 , 7.86764860 , 649.200012
0.200000003 , 11.4745750 , 7.12685966 , 750.000000
0.300000012 , 12.3834381 , 11.0857372 , 750.000000
0.500000000 , 12.2088308 , 8.26229858 , 750.000000
1.00000000 , 2.27877641 , 3.10552430 , 399.899994
2.00000000 , 0.705509841 , 0.519815326 , 200.100006
3.00000000 , 0.200544789 , 0.134522259 , 133.199997