Year	per 100,000 population
2000	28.4
2001	32.2
2002	37.2
2003	40.5
2004	42.4
2005	43.9
2006	47.3
2007	53.9
2008	55
2009	54.2
2010	50.4
2011	47
2012	47.6
2013	44.6
2014	39.2
2015	35.1
2016	32.8
2017	30.4
2018	28.5
2019	29.4