Year	per 100,000 adults
2004	15.07
2005	15.39
2006	17.59
2007	18.195
2008	19.19
2009	19.56
2010	19.47
2011	19.45
2012	19.439999999999998
2013	19.55
2014	19.805
2015	19.02
2016	20.34
2017	18.6
2018	17.39
2019	17.055
2020	16.33
2021	15.54