Year	per 100,000 adults
2004	14.04
2005	12.62
2006	11.73
2007	11.46
2008	11.28
2009	11.13
2010	10.92
2011	11.25
2012	11.15
2013	10.97
2014	10.81
2015	10.69
2016	10.44
2017	10.23
2018	10.24
2019	10.08
2020	8.97
2021	8.7