xper,xns,xew,xco
0.100000001 , 3.91180134 , 4.99662018 , 1083.50000
0.200000003 , 4.86442423 , 6.16588211 , 1250.00000
0.300000012 , 2.50992966 , 2.46002245 , 1250.00000
0.500000000 , 1.04611063 , 1.64384437 , 1250.00000
1.00000000 , 0.439612687 , 0.432872325 , 700.000000
2.00000000 , 0.569386184 , 0.532108963 , 350.000000
3.00000000 , 1.02382767 , 0.870072246 , 233.500000