Year	per 1,000 people
1990	1.802
1991	1.943
1992	2.039
1993	2.081
1994	2.136
1995	2.174
1996	2.164
1997	2.14
1998	2.169
1999	2.218
2000	3.161
2001	2.247
2002	2.24
2003	2.151
2004	2.124
2005	2.217
2006	2.236
2007	2.302
2008	2.33
2009	2.393
2010	2.445
2011	2.543
2012	2.582
2013	2.841
2014	2.716
2015	2.794
2016	2.898
2017	2.896
2018	2.903
2019	2.88
2020	2.956