Year	per 100,000 population
2000	15.1
2001	16
2002	15.5
2003	14.4
2004	14.8
2005	15.7
2006	15
2007	14.5
2008	15
2009	15.7
2010	14.7
2011	14.2
2012	15
2013	15.9
2014	14.8
2015	15.7
2016	14.6
2017	15
2018	14.9
2019	14.7