Year	per 100,000 female population
2000	6.9
2001	6.7
2002	6.5
2003	6.2
2004	6
2005	5.8
2006	5.7
2007	5.3
2008	4.9
2009	4.8
2010	4.7
2011	4.5
2012	4.2
2013	4.1
2014	4
2015	3.8
2016	3.6
2017	3.5
2018	3.4
2019	3.4