Year	per 1,000 live births
1984	23.3
1985	21.1
1986	19.2
1987	17.5
1988	16.1
1989	14.9
1990	14
1991	13.4
1992	13
1993	12.8
1994	12.7
1995	12.7
1996	12.6
1997	12.6
1998	12.4
1999	12.1
2000	11.7
2001	11.3
2002	10.7
2003	10
2004	9.3
2005	8.6
2006	7.9
2007	7.2
2008	6.5
2009	5.9
2010	5.3
2011	4.8
2012	4.4
2013	4
2014	3.6
2015	3.3
2016	3.1
2017	2.9
2018	2.7
2019	2.5
2020	2.4
2021	2.3
2022	2.2