Year	per 1,000 uninfected population ages 15-49
1990	4.89957189248782
1991	5.04141446478577
1992	5.00784705496438
1993	4.83855615782679
1994	4.5826481480174
1995	4.29563043828387
1996	4.07088644358365
1997	3.86371538525743
1998	3.63917263810067
1999	3.42669856943745
2000	3.21359301291689
2001	3.01075726655519
2002	2.82045803294105
2003	2.65245176574001
2004	2.51168602041898
2005	2.36967704035356
2006	2.24783365512892
2007	2.15120294151457
2008	2.08008851954141
2009	1.9884660462237
2010	1.91327943615386
2011	1.83132700636177
2012	1.7554176878204
2013	1.64835412445766
2014	1.58022910853384
2015	1.49602575239759
2016	1.42272242484762
2017	1.33867927386742
2018	1.26915771285621