Year	per 100,000 adults
2004	21
2005	21.37
2006	21.89
2007	21.59
2008	22.81
2009	22.74
2010	22.61
2011	23.29
2012	23.83
2013	24.29
2014	24.21
2015	23.68
2016	22.36
2017	21.28
2018	21.26
2019	20.57
2020	18.3
2021	17.33