Year	per 1,000 people
1990	7.801
1991	7.749
1992	7.785
1993	7.749
1994	7.745
1995	7.91
1996	7.862
1997	7.83
1998	7.815
1999	7.856
2000	8.082
2001	8.319
2002	8.443
2003	8.407
2004	8.487
2005	8.478
2006	8.432
2007	8.415
2008	8.389
2009	8.528
2010	8.527
2011	8.461
2012	8.483
2013	8.41
2014	8.347
2015	8.433
2016	8.331
2017	8.928
2018	8.989
2019	9.063
2020	9.203