Year	per 1,000 uninfected population ages 15-49
1990	10.2
1991	16.01
1992	23.44
1993	31.45
1994	38.5
1995	43
1996	41.75
1997	39.67
1998	35.97
1999	32.78
2000	30.93
2001	29.41
2002	28.42
2003	27.77
2004	27.74
2005	27.6
2006	27.42
2007	26.44
2008	25.31
2009	24.09
2010	22.17
2011	21.4
2012	20.83
2013	20.57
2014	18.96
2015	16.99
2016	14.12
2017	11.56
2018	9.64
2019	8.71
2020	7.57
2021	6.34
2022	5.04