Year per 1,000 uninfected population ages 15-49 1990 0.42092894784615864 1991 0.4300610843935178 1992 0.43611387780588556 1993 0.44670214474031833 1994 0.4542442176460487 1995 0.45062644549752223 1996 0.4451655886473028 1997 0.44590699047439847 1998 0.44008338839944605 1999 0.43654169396262293 2000 0.41783581535663394 2001 0.4028540564752318 2002 0.3939287203163207 2003 0.38859227646065464 2004 0.3799121704395207 2005 0.37479113606608255 2006 0.36801032970868724 2007 0.3636411644216348 2008 0.3607661010988989 2009 0.3576760355801577 2010 0.3546946407567684 2011 0.3519924439099624 2012 0.3493885499821278 2013 0.34258774596275826 2014 0.34180415455861435 2015 0.33990283454745956 2016 0.34128059847485925 2017 0.3409021984476418 2018 0.33969399036410514 2019 0.3371566192487875 2020 0.3309176343231221 2021 0.3350401938154981 2022 0.3267809551018704