Year	per 1,000 adults
2005	9.9
2006	12.83
2007	16.445
2008	19.72
2009	18.985
2010	20.46
2011	22.29
2012	29.465
2013	29.055
2014	34.055
2015	37.445
2016	38.16
2017	33.15
2018	52.675
2019	52.17
2020	52.17
2021	52.295