Year	per 100,000 female population
2000	3.3
2001	3.3
2002	3.3
2003	3.4
2004	3.4
2005	3.4
2006	3.4
2007	3.3
2008	3.3
2009	3.3
2010	3.2
2011	3.1
2012	3
2013	2.9
2014	2.9
2015	2.8
2016	2.8
2017	2.7
2018	2.8
2019	2.8