Year	per 1,000 adults
2004	25.92
2005	23.14
2006	23.19
2007	27.61
2008	28.76
2009	34.75
2010	34.6
2011	39.08
2012	42.58
2013	45.02
2014	42.54
2015	44.24
2016	39.19
2017	40.64
2018	42.9
2019	50.27
2020	46.69
2021	46.79