Year	per 1,000 uninfected population ages 15-49
1990	4.7
1991	5.07
1992	5.03
1993	4.46
1994	3.86
1995	3.12
1996	2.6
1997	2.2
1998	1.86
1999	1.62
2000	1.43
2001	1.31
2002	1.17
2003	1.08
2004	1
2005	0.9
2006	0.85
2007	0.78
2008	0.73
2009	0.68
2010	0.63
2011	0.59
2012	0.56
2013	0.5
2014	0.48
2015	0.46
2016	0.44
2017	0.42
2018	0.4