Year per 1,000 uninfected population ages 15-49 1990 0.8408850255579216 1991 0.9744226919710598 1992 1.1308687540823579 1993 1.215954482023216 1994 1.257586860421681 1995 1.3064346069314265 1996 1.299054783528106 1997 1.3267924920078298 1998 1.3620531147737776 1999 1.400016952530881 2000 1.4276127392838593 2001 1.421143769172757 2002 1.450105839589217 2003 1.4696180119167959 2004 1.4095681902958326 2005 1.3278273257911926 2006 1.2700495083698184 2007 1.2141289293073156 2008 1.1508745712305049 2009 1.0759301074863676 2010 1.0345705881638205 2011 0.9748445456637886 2012 0.9355220209815588 2013 0.877932914080068 2014 0.8341441166094596 2015 0.8165329680010459 2016 0.8015968159595164 2017 0.7956495462348068 2018 0.7924117065078973 2019 0.8459204820765986 2020 0.7842020929046908 2021 0.800296008705943 2022 0.8275398220792232