]> 2013-05-25T00:27:34-04:00 Births, Mother age less than 20 years, Race unknown, Number 0 Number of births per girl 19 and younger during a given year. 1999,2000,2001,2002,2003,2004,2005,2006,2007,2008 2012-02-09T16:14:08Z 2455967.1764815 Births, Mother age less than 20 years, Race unknown, Number