Year	per 1,000 live births
1985	7
1986	6.6
1987	6.4
1988	6.1
1989	5.8
1990	5.6
1991	5.3
1992	5.1
1993	4.9
1994	4.7
1995	4.5
1996	4.3
1997	4.2
1998	4
1999	3.9
2000	3.7
2001	3.6
2002	3.5
2003	3.4
2004	3.3
2005	3.2
2006	3.2
2007	3.1
2008	3
2009	3
2010	2.9
2011	2.8
2012	2.8
2013	2.7
2014	2.6
2015	2.6
2016	2.5
2017	2.4
2018	2.3
2019	2.3
2020	2.2
2021	2.1
2022	2.1