Year	per million people
1996	310.89661
1997	365.09832
1998	349.44313
1999	366.63571
2000	337.56107
2001	351.91292
2002	386.34214
2003	414.87204
2004	487.27226
2005	556.68876
2006	544.4502
2007	517.64611
2008	596.68906
2009	548.63333
2010	456.33434
2011	458.36186
2012	456.30784
2013	454.33141
2014	450.68559
2015	449.98133
2016	422.28167
2017	377.36817