Year	per 1,000 uninfected population
1990	4.117521593572404
1991	4.457896501444106
1992	4.673828905060695
1993	4.762353346769035
1994	4.737481127237273
1995	4.617549495443697
1996	4.494323588745618
1997	4.351806794634896
1998	4.17672253188143
1999	3.986146254617503
2000	3.791629120994092
2001	3.574500262941505
2002	3.3733232216477926
2003	3.194200007600582
2004	3.028315037439802
2005	2.8419785433285654
2006	2.6582244188063293
2007	2.4821101702580326
2008	2.317740887608053
2009	2.16999457012272
2010	2.0393598892108202
2011	1.9049658276375039
2012	1.767762649395399
2013	1.6503723192243855
2014	1.5255803301302138
2015	1.3947718324387746
2016	1.2829853800281896
2017	1.1437823091011283
2018	1.0306763666423855
2019	0.9290710062715958
2020	0.8381823644171426
2021	0.7528042919603198
2022	0.6628830851512452