Year	per 100,000 female population
2000	3.1
2001	2.9
2002	2.7
2003	2.6
2004	2.4
2005	2.3
2006	2.3
2007	2.3
2008	2.4
2009	2.3
2010	2.2
2011	2.2
2012	2
2013	2.1
2014	2
2015	1.9
2016	1.8
2017	1.8
2018	1.7
2019	1.7