Year	per 100,000 female population
2000	4.8
2001	4.8
2002	4.6
2003	4.6
2004	4.6
2005	4.5
2006	4.4
2007	4.3
2008	4.2
2009	4
2010	3.9
2011	3.8
2012	3.7
2013	3.7
2014	3.6
2015	3.6
2016	3.6
2017	3.4
2018	3.5
2019	3.6