xper,xns,xew,xco
0.100000001 , 28.7431145 , 33.4981537 , 1083.50000
0.200000003 , 27.2974834 , 35.6751595 , 1250.00000
0.300000012 , 10.2111282 , 18.9019890 , 1250.00000
0.500000000 , 7.38272762 , 7.33161402 , 1250.00000
1.00000000 , 2.26541805 , 2.87828517 , 700.000000
2.00000000 , 0.573632717 , 0.484582335 , 350.000000
3.00000000 , 0.236532286 , 0.236065000 , 233.500000