Year	per 1,000 adults
2008	70.72
2009	55.26
2010	52.835
2011	66.84
2012	60.099999999999994
2013	81.31
2014	64.38
2015	73.74
2016	88.695
2017	100.87
2018	116.91
2019	132.91
2020	144.08
2021	143.93