Year	per 100,000 population
2000	22.9
2001	23.4
2002	23.5
2003	24
2004	23.9
2005	23.8
2006	23.2
2007	23.2
2008	22.7
2009	23
2010	23.5
2011	23.5
2012	23.6
2013	24
2014	24.5
2015	25
2016	25.4
2017	25.9
2018	26.3
2019	26.8