Year	per 1,000 uninfected population ages 15-49
1990	6.13
1991	8.64
1992	11.39
1993	14.23
1994	16.84
1995	19
1996	20.56
1997	21.56
1998	21.92
1999	21.82
2000	21.33
2001	20.55
2002	19.66
2003	18.83
2004	18.03
2005	17.26
2006	16.57
2007	15.91
2008	15.34
2009	14.72
2010	14.03
2011	13.34
2012	12.51
2013	11.73
2014	10.9
2015	10.11
2016	9.22
2017	8.16
2018	7.37
2019	6.6
2020	6.19
2021	5.68
2022	5.21