Year	per 100,000 adults
2004	33.61
2005	28.07
2006	27.7
2007	28.66
2008	27.57
2009	25.22
2010	23.02
2011	21.31
2012	19.65
2013	17.35
2014	14.79
2015	13.99
2016	12.46
2017	11.92
2018	10.94
2019	9.24
2020	6.99
2021	5.45