xper,xns,xew,xco
0.100000001 , 0.646303713 , 1.17549884 , 973.799988
0.200000003 , 0.905796468 , 1.29748285 , 1125.00000
0.300000012 , 0.834762454 , 1.88451004 , 1125.00000
0.500000000 , 1.20281351 , 2.03525662 , 1125.00000
1.00000000 , 1.85925639 , 2.58824205 , 1049.84998
2.00000000 , 0.520058572 , 0.911843717 , 525.150024
3.00000000 , 0.392611027 , 0.789586902 , 350.100006