Year	per 1,000 uninfected population ages 15-49
1990	4.24280696977046
1991	5.81813002454359
1992	7.53172654360745
1993	9.31326704222001
1994	10.8462252849695
1995	11.8278689048204
1996	12.1197193032209
1997	11.8020931950673
1998	10.9812196503847
1999	10.1250538077966
2000	9.37592504719735
2001	8.53441745506197
2002	7.74440094520823
2003	7.18483904484833
2004	6.7069670392837
2005	6.32811981931839
2006	6.01218579451053
2007	5.82085941884021
2008	5.62977380487717
2009	5.46542048931501
2010	5.21107471223642
2011	4.95041701798579
2012	4.75310486757323
2013	4.57270829668305
2014	4.34297011129215
2015	4.16745596524939
2016	3.93732874861168
2017	3.66338346535415
2018	3.42331769584484