Year	per 1,000 people
2000	8.853
2001	8.956
2002	9.086
2003	9.294
2004	9.389
2005	9.555
2006	9.646
2007	9.78
2008	9.936
2009	10.13
2010	10.18
2011	10.27
2012	10.33
2013	10.68
2014	10.88
2015	10.95
2016	11.15
2017	11.38
2018	11.81
2019	12.09
2020	12.35