Year	per 1,000 adults
2004	0.38
2008	0.76
2010	2.19
2011	2.78
2012	3.1
2013	10.22
2014	8.76
2015	9.94
2016	10.18
2017	9.79
2018	10.36
2019	7.06
2020	6.99
2021	8.07