Year	per 100,000 female population
2000	3.3
2001	4.6
2002	4.2
2003	4
2004	3.8
2005	3.7
2006	3.5
2007	3.6
2008	3.2
2009	2.8
2010	2.8
2011	2.7
2012	2.7
2013	2.4
2014	2.1
2015	2
2016	2.1
2017	2.1
2018	2
2019	1.9