Year	per 1,000 uninfected population ages 15-49
1990	8.3
1991	7.8
1992	6.9
1993	5.9
1994	4.9
1995	4.1
1996	3.3
1997	2.7
1998	2.3
1999	1.9
2000	1.6
2001	1.4
2002	1.1
2003	1
2004	0.9
2005	0.8
2006	0.7
2007	0.6
2008	0.6
2009	0.5
2010	0.5
2011	0.4
2012	0.4
2013	0.3
2014	0.3
2015	0.3
2016	0.2
2017	0.2
2018	0.2