Year	per 100,000 female population
2000	3.9
2001	3.8
2002	3.8
2003	3.9
2004	4.2
2005	3.9
2006	4
2007	4.2
2008	4.1
2009	3.9
2010	3.9
2011	4
2012	4
2013	3.9
2014	4
2015	3.7
2016	3.7
2017	3.7
2018	3.5
2019	3.3