Year	per 100,000 population
2000	26.4
2001	26.5
2002	26.5
2003	26.2
2004	25.9
2005	26.3
2006	25.8
2007	25.8
2008	25.9
2009	26.1
2010	25.7
2011	25.7
2012	26.6
2013	26.4
2014	26.6
2015	27.3
2016	27.4
2017	27.7
2018	28
2019	28.3
