xper,xns,xew,xco
0.100000001 , 17.7537727 , 27.0129871 , 649.200012
0.200000003 , 34.5676117 , 36.4023514 , 750.000000
0.300000012 , 51.6894112 , 71.7155609 , 750.000000
0.500000000 , 55.2068138 , 102.167900 , 750.000000
1.00000000 , 20.5306835 , 19.0730362 , 399.899994
2.00000000 , 3.37284350 , 3.21147919 , 200.100006
3.00000000 , 1.08439898 , 1.44884861 , 133.199997