Year	per 1,000 live births
1984	25.5
1985	23.2
1986	21.1
1987	19.3
1988	17.7
1989	16.5
1990	15.5
1991	14.9
1992	14.4
1993	14.3
1994	14.2
1995	14.1
1996	14.1
1997	14
1998	13.9
1999	13.6
2000	13.2
2001	12.7
2002	12
2003	11.3
2004	10.6
2005	9.8
2006	9
2007	8.2
2008	7.5
2009	6.8
2010	6.1
2011	5.6
2012	5.1
2013	4.6
2014	4.2
2015	3.9
2016	3.6
2017	3.4
2018	3.1
2019	3
2020	2.8
2021	2.7
2022	2.5