xper,xns,xew,xco
0.100000001 , 33.2879562 , 35.3687592 , 892.650024
0.200000003 , 53.8671112 , 102.548340 , 1031.25000
0.300000012 , 15.0588274 , 30.8723850 , 1031.25000
0.500000000 , 5.77794552 , 5.90384817 , 1031.25000
1.00000000 , 2.31969190 , 1.45189667 , 562.650024
2.00000000 , 0.302353799 , 0.256635904 , 281.325012
3.00000000 , 0.167189658 , 0.122793987 , 187.688004