Year per 1,000 uninfected population ages 15-49 1990 7.3850767593491256 1991 7.965371453817134 1992 8.294013145552924 1993 8.36864261492033 1994 8.217504957043728 1995 7.8855851630001546 1996 7.578747080888742 1997 7.2604240049982325 1998 6.89102645618388 1999 6.4940368722116135 2000 6.121804280883509 2001 5.713154724484591 2002 5.345143296346786 2003 5.015315343333009 2004 4.721358918736426 2005 4.429220311987016 2006 4.182838094228869 2007 3.95713725645234 2008 3.762208742445906 2009 3.57378874281344 2010 3.3956563714873385 2011 3.2206030759560016 2012 3.0344964986685024 2013 2.835470504052143 2014 2.617182747578639 2015 2.4070450200864366 2016 2.190839255341862 2017 1.9443499699804088 2018 1.7536614310851775 2019 1.5699526198601677 2020 1.4039401807388414 2021 1.2522869765549416 2022 1.087791926199656