Year	per 1,000 uninfected population ages 15-49
1990	4.22698206222754
1991	4.33990837689081
1992	4.2815538126522
1993	4.13374875975155
1994	3.89599662247636
1995	3.64991155783235
1996	3.44358469591233
1997	3.28923992415839
1998	3.11205999640966
1999	2.94192211386745
2000	2.77400991125111
2001	2.6126100101003
2002	2.45816297076492
2003	2.32694225553875
2004	2.21302987882762
2005	2.1018721158223
2006	2.00146876260508
2007	1.91436032605807
2008	1.8640804771153
2009	1.78454099889168
2010	1.72813006470447
2011	1.65909148899417
2012	1.60778425962369
2013	1.51127625429337
2014	1.45724888426636
2015	1.38514738656211
2016	1.32215821564649
2017	1.24501912265879
2018	1.18173959969283