Year	per 1,000 uninfected population ages 15-49
1990	6.86
1991	5.97
1992	5.69
1993	5.08
1994	4.58
1995	4.37
1996	4.23
1997	3.96
1998	4.25
1999	4
2000	3.48
2001	3.08
2002	3.32
2003	3.47
2004	3.2
2005	3.36
2006	2.87
2007	2.87
2008	2.83
2009	2.89
2010	2.84
2011	3
2012	3.15
2013	3.42
2014	3.41
2015	3.66
2016	3.87
2017	3.91
2018	4.07
2019	4.43
2020	4.1
2021	4.53
2022	4.76