Year	per 1,000 uninfected population ages 15-49
1990	9.58
1991	10
1992	9.94
1993	9.26
1994	8.39
1995	7.46
1996	6.69
1997	5.88
1998	5.24
1999	4.67
2000	4.23
2001	3.81
2002	3.47
2003	3.17
2004	2.88
2005	2.64
2006	2.45
2007	2.29
2008	2.17
2009	1.96
2010	1.87
2011	1.79
2012	1.69
2013	1.58
2014	1.49
2015	1.39
2016	1.3
2017	1.19
2018	1.08