Year	per 100,000 adults
2004	32.6
2005	31.77
2006	33.58
2007	35.489999999999995
2008	35.985
2009	36.03
2010	35.18
2011	34.334999999999994
2012	31.104999999999997
2013	29.72
2014	28.08
2015	27.55
2016	26.435000000000002
2017	24.884999999999998
2018	23.235
2019	22.35
2020	21.259999999999998
2021	18.915