Year	per 100,000 female population
2000	4.8
2001	4.1
2002	3.5
2003	3.1
2004	2.8
2005	2.6
2006	2.4
2007	2.2
2008	2.1
2009	2.1
2010	2.1
2011	2.1
2012	2
2013	2
2014	1.9
2015	1.9
2016	1.9
2017	1.8
2018	1.8
2019	1.7