Year	per 1,000 live births
1960	21.3
1961	20.8
1962	20.2
1963	19.5
1964	18.7
1965	17.8
1966	16.9
1967	16.1
1968	15.3
1969	14.6
1970	13.9
1971	13.2
1972	12.4
1973	11.6
1974	10.9
1975	10.2
1976	9.7
1977	9.2
1978	8.8
1979	8.5
1980	8.2
1981	8
1982	7.9
1983	7.9
1984	7.9
1985	8
1986	8
1987	8
1988	7.9
1989	7.7
1990	7.3
1991	6.9
1992	6.5
1993	6.1
1994	5.7
1995	5.4
1996	5.2
1997	5
1998	4.9
1999	4.8
2000	4.7
2001	4.6
2002	4.5
2003	4.4
2004	4.2
2005	4.1
2006	3.9
2007	3.8
2008	3.6
2009	3.6
2010	3.5
2011	3.5
2012	3.5
2013	3.5
2014	3.5
2015	3.5
2016	3.5
2017	3.4
2018	3.4
2019	3.3
2020	3.2
2021	3.1
2022	3.1