Year per 1,000 uninfected population 1990 3.4303950551068305 1991 3.594579094499086 1992 3.6399057320976413 1993 3.5704320987197837 1994 3.4309447141670235 1995 3.2648160527855876 1996 3.1242402722090916 1997 2.998947792441512 1998 2.857282408094927 1999 2.714508628316281 2000 2.5865164720713683 2001 2.435339016243153 2002 2.299475571762174 2003 2.1695953381225475 2004 2.052484605978175 2005 1.9228018982277535 2006 1.8191368107964137 2007 1.7046222511959237 2008 1.5941397445902172 2009 1.5082557119463247 2010 1.4392106852709463 2011 1.3601474242693308 2012 1.2712559129919911 2013 1.1935279518183393 2014 1.106811500733066 2015 1.0190827358164338 2016 0.9601965990389855 2017 0.8715585001649082 2018 0.7959884602617996 2019 0.7229574034062723 2020 0.6479968956656376 2021 0.5799791219531821 2022 0.5032420246828911