Year	per million people
1996	489.12395
1997	464.26447
1998	439.24163
1999	398.31099
2000	353.97227
2001	320.89629
2002	297.1006
2003	283.05109
2004	261.56551
2005	233.18335
2006	225.83038
2007	225.03648
2008	190.05503
2009	188.4782
2010	285.38123
2011	359.77122
2012	420.56352
2013	384.66597
2014	438.51201
2015	443.60217
2016	399.7713
2017	415.27482