Year	per 1,000 live births
1981	17
1982	16.1
1983	15.3
1984	14.5
1985	13.7
1986	12.9
1987	12
1988	11.2
1989	10.4
1990	9.8
1991	9.1
1992	8.5
1993	7.9
1994	7.3
1995	6.8
1996	6.4
1997	5.9
1998	5.6
1999	5.3
2000	5
2001	4.7
2002	4.4
2003	4.2
2004	4
2005	3.8
2006	3.6
2007	3.4
2008	3.2
2009	3
2010	2.8
2011	2.7
2012	2.6
2013	2.5
2014	2.4
2015	2.3
2016	2.2
2017	2.2
2018	2.1
2019	2.1
2020	2.1
2021	2.1
2022	2