Year	per 100,000 adults
2004	11.46
2005	11.24
2006	10.89
2007	10.45
2008	9.98
2009	9.87
2010	9.83
2011	9.6
2012	9.42
2013	9.11
2014	9.01
2015	8.95
2016	8.68
2017	8.22
2018	8.13
2019	7.82
2020	7.02
2021	6.97