Year	per 1,000 people
2003	2.605
2004	2.667
2005	2.654
2006	2.682
2007	2.751
2008	2.841
2009	2.872
2010	2.916
2011	2.941
2012	2.94
2013	2.94
2014	2.903
2015	2.904
2016	3.678