Year per 1,000 uninfected population ages 15-49 1990 7.385076759349124 1991 7.965371453817134 1992 8.294013145552926 1993 8.36864261492033 1994 8.217504957043726 1995 7.885585163000154 1996 7.578747080888743 1997 7.260424004998236 1998 6.891026456183879 1999 6.4940368722116135 2000 6.121804280883509 2001 5.713154724484592 2002 5.3451432963467855 2003 5.015315343333009 2004 4.721358918736425 2005 4.429220311987017 2006 4.182838094228869 2007 3.957137256452341 2008 3.762208742445906 2009 3.5737887428134405 2010 3.3956563714873376 2011 3.220603075956001 2012 3.034496498668503 2013 2.8354705040521417 2014 2.617182747578638 2015 2.407045020086437 2016 2.1908392553418623 2017 1.9443499699804088 2018 1.753661431085178 2019 1.569952619860167 2020 1.4039401807388419 2021 1.2522869765549414 2022 1.0877919261996558