xper,xns,xew,xco
0.100000001 , 4.48007679 , 6.53047848 , 649.200012
0.200000003 , 6.54092503 , 4.85311985 , 750.000000
0.300000012 , 5.41199684 , 4.42900038 , 750.000000
0.500000000 , 6.13517189 , 4.77804041 , 750.000000
1.00000000 , 2.26204276 , 1.52832019 , 399.899994
2.00000000 , 0.417225391 , 0.457254350 , 200.100006
3.00000000 , 0.210431814 , 0.173109025 , 133.199997