Year	per 1,000 live births
1990	6.5
1991	6.3
1992	6
1993	5.8
1994	5.5
1995	5.3
1996	5.1
1997	4.9
1998	4.7
1999	4.5
2000	4.4
2001	4.3
2002	4.2
2003	4.1
2004	4
2005	3.9
2006	3.7
2007	3.6
2008	3.5
2009	3.4
2010	3.3
2011	3.3
2012	3.2
2013	3.2
2014	3.1
2015	3.1
2016	3
2017	3
2018	3
2019	2.9
2020	2.8
2021	2.7
2022	2.6