Year	per 1,000 uninfected population ages 15-24
1990	20.09
1991	21.56
1992	22.16
1993	22.4
1994	21.84
1995	20.35
1996	18.72
1997	17.38
1998	15.97
1999	13.74
2000	13.34
2001	11.97
2002	10.92
2003	10
2004	9.2
2005	8.44
2006	7.68
2007	7.04
2008	6.95
2009	6.04
2010	5.87
2011	5.21
2012	4.47
2013	3.74
2014	3.1
2015	2.53
2016	1.95
2017	1.79
2018	1.58
2019	1.41
2020	1.34
2021	1.11
2022	0.89