Year	per 100,000 adults
2004	2.4
2005	2.2750000000000004
2006	2.23
2007	2.395
2008	2.99
2009	2.94
2010	3.38
2011	3.62
2012	3.85
2013	4.225
2014	4.475
2015	4.8
2016	4.81
2017	4.92
2018	4.62
2019	4.1
2020	4.38
2021	4.05