Year	per 100,000 population
2000	26.3
2001	26.1
2002	25.9
2003	26
2004	25.8
2005	25.5
2006	25.5
2007	26
2008	25.9
2009	26.2
2010	27
2011	27
2012	26.8
2013	27
2014	27.3
2015	27.6
2016	28.2
2017	28.6
2018	29.2
2019	29.7