Year	per 1,000 live births
1981	15.3
1982	14.5
1983	13.8
1984	13.1
1985	12.3
1986	11.6
1987	10.8
1988	10.1
1989	9.4
1990	8.8
1991	8.2
1992	7.6
1993	7.1
1994	6.6
1995	6.2
1996	5.8
1997	5.4
1998	5.1
1999	4.8
2000	4.5
2001	4.3
2002	4.1
2003	3.9
2004	3.7
2005	3.5
2006	3.3
2007	3.1
2008	2.9
2009	2.8
2010	2.6
2011	2.5
2012	2.4
2013	2.3
2014	2.2
2015	2.1
2016	2.1
2017	2
2018	2
2019	2
2020	1.9
2021	1.9
2022	1.9