Year	per million people
1996	662.53386
1997	658.34343
1998	683.00624
1999	663.86248
2000	619.10615
2001	538.34421
2002	524.18787
2003	526.23658
2004	570.23095
2005	558.93533
2006	575.24083
2007	583.83245
2008	587.52758
2009	581.89016
2010	582.35281
2011	559.13291
2012	512.58503
2013	513.84027
2014	536.96443
2015	521.95125
2016	502.55447
2017	520.66338
2018	524.29128