Year	per 100,000 adults
2004	17.05
2005	17
2006	16.97
2007	16.95
2008	16.94
2009	16.94
2010	16.93
2011	16.92
2012	16.91
2013	16.9
2014	15.47
2015	15.45
2016	14.02
2017	12.59
2018	12.57
2019	12.53
2020	11.11
2021	11.08