Births, marriages, divorces, and deaths: provisional data for 1999.
D001723:Birth Rate; D004243:Divorce / Q000706:statistics & numerical data; D005260:Female; D006801:Humans; D007231:Infant, Newborn; D008297:Male; D008393:Marriage / Q000706:statistics & numerical data; D009026:Mortality; D014481:United States / Q000453:epidemiology; D014798:Vital Statistics