Year	per 100,000 female population
2000	3.2
2001	3.2
2002	3.4
2003	3.2
2004	3
2005	2.9
2006	2.6
2007	2.4
2008	2
2009	2
2010	2.1
2011	2
2012	1.8
2013	1.7
2014	1.6
2015	1.5
2016	1.4
2017	1.4
2018	1.4
2019	1.3