xper,xns,xew,xco
0.100000001 , 172.287628 , 194.169983 , 1190.19995
0.200000003 , 245.954529 , 240.513870 , 1375.00000
0.300000012 , 254.352081 , 281.941559 , 1375.00000
0.500000000 , 189.403442 , 211.258591 , 1375.00000
1.00000000 , 57.1104889 , 60.2925301 , 800.250000
2.00000000 , 12.6458893 , 12.9293690 , 399.850006
3.00000000 , 5.83714151 , 5.97005415 , 266.750000