Year	per 100,000 female population
2000	4.2
2001	3.7
2002	3.7
2003	3.5
2004	3.3
2005	3
2006	2.8
2007	2.6
2008	2.4
2009	2
2010	2
2011	1.9
2012	1.8
2013	1.7
2014	1.6
2015	1.5
2016	1.4
2017	1.4
2018	1.3
2019	1.3