Year	per 1,000 live births
1981	17.8
1982	16.9
1983	16.1
1984	15.3
1985	14.4
1986	13.6
1987	12.7
1988	11.9
1989	11.1
1990	10.4
1991	9.7
1992	9
1993	8.4
1994	7.9
1995	7.3
1996	6.9
1997	6.5
1998	6.1
1999	5.8
2000	5.4
2001	5.2
2002	4.9
2003	4.7
2004	4.4
2005	4.2
2006	4
2007	3.8
2008	3.6
2009	3.4
2010	3.2
2011	3.1
2012	2.9
2013	2.8
2014	2.7
2015	2.6
2016	2.6
2017	2.5
2018	2.4
2019	2.4
2020	2.4
2021	2.4
2022	2.3