Year	per 1,000 uninfected population
1990	4.117521593572403
1991	4.4578965014441065
1992	4.673828905060695
1993	4.762353346769034
1994	4.737481127237271
1995	4.617549495443696
1996	4.494323588745619
1997	4.351806794634897
1998	4.17672253188143
1999	3.9861462546175037
2000	3.7916291209940916
2001	3.5745002629415046
2002	3.3733232216477926
2003	3.194200007600582
2004	3.0283150374398016
2005	2.8419785433285667
2006	2.6582244188063306
2007	2.482110170258033
2008	2.317740887608053
2009	2.16999457012272
2010	2.039359889210821
2011	1.9049658276375043
2012	1.7677626493953997
2013	1.6503723192243858
2014	1.5255803301302135
2015	1.394771832438775
2016	1.28298538002819
2017	1.1437823091011285
2018	1.030676366642385
2019	0.9290710062715954
2020	0.8381823644171424
2021	0.7528042919603202
2022	0.6628830851512454