Year per 1,000 uninfected population ages 15-24 1990 3.733156199513258 1991 3.857288577941442 1992 3.8677372137868304 1993 3.765434173585203 1994 3.59652399193118 1995 3.343713394021911 1996 3.1677712504351967 1997 3.0311360586786247 1998 2.8787713693452424 1999 2.6811439430273576 2000 2.558902433151304 2001 2.3876222530556466 2002 2.2200184616874203 2003 2.0875937078683924 2004 1.953164345640228 2005 1.8287321986825715 2006 1.7309508868152628 2007 1.6596254873519338 2008 1.6105157155560204 2009 1.5295185012680352 2010 1.4780768872347014 2011 1.4202474488207246 2012 1.362639235183823 2013 1.2810515236822588 2014 1.1883922428153135 2015 1.1045778328819533 2016 1.025455594706325 2017 0.9408554033377847 2018 0.8758919267454565 2019 0.8285611017086283 2020 0.7812551144178882 2021 0.717314833369585 2022 0.6123344624473455