Year	per 100,000 female population
2000	3.4
2001	3.4
2002	3.3
2003	3.1
2004	3
2005	2.8
2006	2.7
2007	2.6
2008	2.5
2009	2.3
2010	2.2
2011	2.2
2012	2.1
2013	2.1
2014	2
2015	2
2016	1.9
2017	1.9
2018	1.9
2019	1.8