Year per 1,000 uninfected population 1990 2.5012008571797444 1991 2.6414095419761674 1992 2.6753176136533385 1993 2.6194142076866096 1994 2.5080546288491066 1995 2.3612520539040065 1996 2.2393633729621576 1997 2.12831412361446 1998 2.0162452997363456 1999 1.9055726846143504 2000 1.8047726509112008 2001 1.694620713910257 2002 1.595608666026971 2003 1.503781700190037 2004 1.4200424168752426 2005 1.330699869686846 2006 1.2559423904884572 2007 1.17437277889351 2008 1.1002609290240863 2009 1.0408544994948181 2010 0.9916190114588725 2011 0.9276212236377782 2012 0.8708999291833248 2013 0.8245786757497517 2014 0.7716722188751062 2015 0.7127334971501861 2016 0.6671634788859193 2017 0.603275564453149 2018 0.5493635819815603 2019 0.5021796554026235 2020 0.4497913104604417 2021 0.4066121771045387 2022 0.35694805794331325