Year per 1,000 uninfected population ages 15-24 1990 5.634382262001482 1991 5.85080433243964 1992 5.8624730828099425 1993 5.677216427029597 1994 5.366608772250458 1995 5.000728875891428 1996 4.708440657597411 1997 4.470586336009992 1998 4.198303584830081 1999 3.933652174082973 2000 3.7171725069833332 2001 3.459175651876269 2002 3.242001876286133 2003 3.0386293364558954 2004 2.8734864845737094 2005 2.706501993051394 2006 2.5751180369756868 2007 2.462525215927529 2008 2.3623022612436286 2009 2.269709022378446 2010 2.183854640781247 2011 2.1109783329117335 2012 2.0102162742404612 2013 1.893764370317483 2014 1.7541749788651098 2015 1.6148816926830354 2016 1.5021034650262093 2017 1.3820018423466245 2018 1.281129356291145 2019 1.1712615951633312 2020 1.0509583594821743 2021 0.937073440731865 2022 0.797258515103616