Year	per 100,000 adults
2006	19.01
2007	19.33
2008	19.21
2009	18.65
2010	18.55
2011	19.75
2012	20.5
2013	19.09
2014	20.7
2015	15.87
2016	16.21
2017	16.97
2018	16.88
2019	15.54
2020	14.63
2021	13.74