Year	per 100,000 female population
2000	2.7
2001	2.4
2002	2.2
2003	2.1
2004	2
2005	1.8
2006	2
2007	2.1
2008	2.2
2009	2.2
2010	2.1
2011	1.9
2012	1.8
2013	1.7
2014	1.6
2015	1.5
2016	1.4
2017	1.3
2018	1.2
2019	1.2