Year	per 100,000 population
2000	27.4
2001	27.5
2002	27.7
2003	27.4
2004	27.8
2005	28.3
2006	28.1
2007	28.1
2008	28.4
2009	28.5
2010	28.9
2011	29
2012	28.6
2013	28.7
2014	28.9
2015	29
2016	29.5
2017	29.7
2018	29.9
2019	30.2