Year	per 100,000 adults
2004	18.14
2005	18.28
2006	18.65
2007	18.95
2008	19.55
2009	21.1
2010	21.31
2011	21.61
2012	21.91
2013	22.24
2014	22.47
2015	21.72
2016	20.4
2017	18.6
2018	17.11
2019	16.42
2020	15.48
2021	15.02