Table 1.

Counts of person-years, births, and nationality groups by time period for females ages 15–49, Agincourt health and demographic surveillance system, South Africa

Time period	Person years	Births	South Africansa	Mozambicansa
1993–1996	59,236	5750	42,015	16,808
1997–2000	63,667	5700	45,556	18,019
2001–2003	50,889	3900	36,563	14,315
2004–2007	73,244	6199	52,351	20,854
2008–2011	60,295	4894	41,817	18,404
2012–2013	30,406	2154	21,404	8941

^acounts do not sum to person years due to other nationalities (0.2 % of person-years)