Anything other than by chance?
James
W H
WH
D001741:Black or African American / Q000706:statistics & numerical data*; D001723:Birth Rate / Q000639:trends*; D005260:Female; D006801:Humans; D008297:Male; D008571:Men; D014481:United States / Q000453:epidemiology; D044465:White People / Q000706:statistics & numerical data*