Year	per 100,000 population
2000	13.8
2001	13.4
2002	13.6
2003	13.7
2004	13.8
2005	14
2006	13.9
2007	14.2
2008	14.1
2009	14.2
2010	14.3
2011	14
2012	14.2
2013	14.3
2014	16.4
2015	15.2
2016	16.4
2017	16.8
2018	17.3
2019	17.9