Year	per 100,000 population
2000	26.1
2001	23.6
2002	23.5
2003	26
2004	25.4
2005	29.5
2006	29
2007	29.5
2008	28.5
2009	25.6
2010	20.1
2011	22.1
2012	24.7
2013	21.6
2014	19
2015	18.8
2016	18.1
2017	17.1
2018	16.2
2019	15.4