Year	per 1,000 adults
2004	9.76
2005	13.19
2006	13.26
2007	15.98
2008	19.72
2009	20.24
2010	20.46
2011	21.1
2012	21.45
2013	24.04
2014	29.1
2015	31.16
2016	28.81
2017	31.82
2018	63.23
2019	52.17
2020	54.39
2021	74.01