Year	per 1,000 live births
1968	23.5
1969	22.8
1970	22.1
1971	21.3
1972	20.6
1973	19.7
1974	18.7
1975	17.7
1976	16.6
1977	15.5
1978	14.4
1979	13.5
1980	12.6
1981	11.8
1982	11
1983	10.4
1984	9.8
1985	9.2
1986	8.7
1987	8.3
1988	7.8
1989	7.4
1990	7
1991	6.6
1992	6.2
1993	5.9
1994	5.5
1995	5.3
1996	5
1997	4.8
1998	4.7
1999	4.5
2000	4.4
2001	4.3
2002	4.2
2003	4.1
2004	4
2005	3.9
2006	3.8
2007	3.7
2008	3.6
2009	3.5
2010	3.5
2011	3.4
2012	3.4
2013	3.3
2014	3.3
2015	3.3
2016	3.3
2017	3.2
2018	3.2
2019	3.2
2020	3.1
2021	3.1
2022	3