Year	per 100,000 adults
2004	18.41
2005	20.88
2006	22.63
2007	24.02
2008	23.82
2009	20.28
2010	19.47
2011	17.35
2012	16.02
2013	13.95
2014	12.39
2015	11.15
2016	10.42
2017	10.06
2018	9.68
2019	8.93
2020	7.93
2021	7.48