Year	per 100,000 population
2000	1.1
2001	1.1
2002	1.1
2003	1.1
2004	1
2005	0.9
2006	0.9
2007	1
2008	1
2009	1
2010	1
2011	0.9
2012	1
2013	0.9
2014	1
2015	1
2016	0.9
2017	1
2018	1
2019	0.8