Year	per 1,000 people
1990	1.519
1991	1.583
1992	1.688
1993	1.745
1994	1.81
1995	1.863
1996	1.869
1997	1.877
1998	1.882
2000	1.898
2001	1.906
2002	1.868
2003	1.849
2004	1.897
2005	1.879
2006	1.82
2007	1.996
2008	2.03
2009	2.082
2010	2.124
2011	2.209
2012	2.253
2013	2.36
2014	2.447
2015	2.566
2016	1.906
2017	2.751
2018	2.908
2019	3.066
2021	5.375