Year	per 1,000 live births
1969	18.7
1970	18.3
1971	17.8
1972	17.2
1973	16.7
1974	16.2
1975	15.7
1976	15.3
1977	14.8
1978	14.4
1979	14.1
1980	13.9
1981	13.7
1982	13.6
1983	13.4
1984	13.2
1985	12.9
1986	12.6
1987	12.3
1988	11.9
1989	11.5
1990	11.1
1991	10.8
1992	10.6
1993	10.4
1994	10.1
1995	9.6
1996	8.8
1997	7.8
1998	6.9
1999	6.2
2000	5.8
2001	5.4
2002	5.2
2003	5
2004	4.8
2005	4.6
2006	4.4
2007	4.2
2008	4
2009	3.8
2010	3.6
2011	3.4
2012	3.2
2013	3.1
2014	3
2015	2.9
2016	2.8
2017	2.8
2018	2.7
2019	2.7
2020	2.7
2021	2.7
2022	2.7