Year	per 1,000 live births
1981	15.7
1982	15
1983	14.2
1984	13.5
1985	12.8
1986	12
1987	11.3
1988	10.5
1989	9.9
1990	9.2
1991	8.6
1992	8
1993	7.5
1994	7
1995	6.6
1996	6.2
1997	5.8
1998	5.5
1999	5.2
2000	4.9
2001	4.7
2002	4.5
2003	4.2
2004	4
2005	3.8
2006	3.6
2007	3.4
2008	3.3
2009	3.1
2010	2.9
2011	2.8
2012	2.7
2013	2.6
2014	2.5
2015	2.4
2016	2.3
2017	2.3
2018	2.2
2019	2.2
2020	2.2
2021	2.1
2022	2.1