xper,xns,xew,xco
0.100000001 , 3.69554520 , 2.32946324 , 973.799988
0.200000003 , 1.16903806 , 0.805079341 , 1125.00000
0.300000012 , 1.34441411 , 0.755119503 , 1125.00000
0.500000000 , 2.04171491 , 1.65409839 , 1125.00000
1.00000000 , 2.69261956 , 2.87562466 , 675.000000
2.00000000 , 0.837269664 , 0.748738408 , 337.500000
3.00000000 , 0.424210668 , 0.387238204 , 225.000000