Year per 1,000 uninfected population ages 15-49 1990 3.2087079077579803 1991 3.3223675719656693 1992 3.319553950223078 1993 3.221869804044581 1994 3.068524349167001 1995 2.8687009966908046 1996 2.706869576122547 1997 2.5685408411154795 1998 2.417397750600016 1999 2.262781530460655 2000 2.137795933056918 2001 1.9915926769940542 2002 1.8702138634416607 2003 1.760825564092402 2004 1.6626886372419558 2005 1.5659691422396829 2006 1.4899999359957687 2007 1.4207155596648124 2008 1.3642576400005577 2009 1.310081599548103 2010 1.2667915089925201 2011 1.2394145746275467 2012 1.1952613796515108 2013 1.1398171952061429 2014 1.075589758030079 2015 1.007190887175202 2016 0.9489966496412311 2017 0.8714676732632024 2018 0.8068995749941157 2019 0.7322744674144535 2020 0.6508314452171499 2021 0.580934969481623 2022 0.5010793536576715