Year	per 1,000 uninfected population ages 15-24
1990	5.09
1991	6.19
1992	7.34
1993	8.51
1994	9.6
1995	10.89
1996	12.15
1997	13.34
1998	14.23
1999	14.91
2000	15.29
2001	15.25
2002	14.84
2003	14.3
2004	13.78
2005	13.41
2006	13.02
2007	12.75
2008	12.57
2009	12.46
2010	12.33
2011	12.25
2012	12.28
2013	11.92
2014	11.04
2015	10.39
2016	9.61
2017	8.92
2018	8.53
2019	8.23
2020	7.91
2021	7.02
2022	5.58