xper,xns,xew,xco
0.100000001 , 25.5788822 , 15.5899839 , 892.650024
0.200000003 , 18.5739040 , 16.6556816 , 1031.25000
0.300000012 , 13.4919205 , 21.8498306 , 1031.25000
0.500000000 , 11.5178156 , 10.5389662 , 1031.25000
1.00000000 , 3.56055546 , 4.17533016 , 562.650024
2.00000000 , 0.768610120 , 1.23236418 , 281.325012
3.00000000 , 0.301299810 , 0.366189510 , 187.688004