Year	per 100,000 population
2000	16
2001	14.5
2002	19.8
2003	15.6
2004	15.3
2005	14.8
2006	15.5
2007	17.4
2008	15.1
2009	15
2010	16
2011	16.8
2012	17.8
2013	15.8
2014	17.4
2015	18.6
2016	21.1
2017	20.8
2018	21.2
2019	21.2