Year	per 1,000 uninfected population ages 15-24
1990	5.35
1991	8.18
1992	11.79
1993	15.9
1994	19.98
1995	23.48
1996	26.08
1997	27.7
1998	28.41
1999	28.41
2000	27.8
2001	26.67
2002	25.32
2003	23.9
2004	22.48
2005	21.17
2006	20.1
2007	19.19
2008	18.48
2009	17.74
2010	16.91
2011	16.05
2012	15.04
2013	14.15
2014	13.19
2015	12.35
2016	11.24
2017	9.89
2018	8.92
2019	7.93
2020	7.4
2021	6.73
2022	6.25