Year	per 1,000 uninfected population
1990	0.5641155448515573
1991	1.051799002258536
1992	1.7621446677873158
1993	2.5635707775079757
1994	3.087648384643616
1995	3.2579598227134436
1996	3.153760041697215
1997	3.031850140575204
1998	2.8208877720633883
1999	2.736582015282033
2000	2.642526246362363
2001	2.6743351801839426
2002	2.58182017408412
2003	2.518336583786703
2004	2.492429162499587
2005	2.362775610397873
2006	2.239599475933206
2007	2.1476037883630985
2008	2.1017192738040014
2009	2.0197697450958474
2010	1.851500486258986
2011	1.8398772772239795
2012	1.8325797360911618
2013	1.817649076138017
2014	1.7212587609242436
2015	1.4146997824253371
2016	1.0993051143766366
2017	0.953622779729048
2018	0.9202740593236804
2019	0.8222766029108745
2020	0.6314490220613572
2021	0.6049885437499172