Year	per 100,000 adults
2004	1.8
2005	1.89
2006	2.025
2007	2.01
2008	1.99
2009	2.16
2010	2.33
2011	2.45
2012	2.745
2013	2.76
2014	2.99
2015	3.27
2016	3.225
2017	3.14
2018	3.255
2019	3.415
2020	3.86
2021	3.855