Year	per 100,000 population
2000	26.2
2001	24.3
2002	24
2003	28
2004	29.1
2005	28.5
2006	33.2
2007	35.6
2008	23
2009	15.6
2010	18
2011	26.1
2012	20.5
2013	19.8
2014	28.4
2015	24.4
2016	24.6
2017	22.7
2018	22.5
2019	22.3