Year	per 100,000 population
2000	14.2
2001	16.2
2002	16.6
2003	18.8
2004	25.4
2005	31.1
2006	39.8
2007	39.5
2008	29.2
2009	25.6
2010	25.9
2011	24
2012	23.6
2013	22.8
2014	19.3
2015	18.4
2016	17.7
2017	13.9
2018	13.8
2019	12.7