Year	per 1,000 live births
1960	16.4
1961	16
1962	15.6
1963	15.2
1964	14.9
1965	14.5
1966	14.2
1967	13.8
1968	13.4
1969	13
1970	12.6
1971	12.2
1972	11.7
1973	11.3
1974	10.9
1975	10.5
1976	10.1
1977	9.7
1978	9.3
1979	9
1980	8.8
1981	8.5
1982	8.4
1983	8.2
1984	8
1985	7.9
1986	7.7
1987	7.5
1988	7.2
1989	7
1990	6.8
1991	6.6
1992	6.3
1993	6.1
1994	5.9
1995	5.7
1996	5.5
1997	5.4
1998	5.3
1999	5.2
2000	5.1
2001	5
2002	4.9
2003	4.8
2004	4.6
2005	4.4
2006	4.3
2007	4.1
2008	4
2009	3.8
2010	3.7
2011	3.6
2012	3.6
2013	3.5
2014	3.5
2015	3.5
2016	3.5
2017	3.5
2018	3.5
2019	3.4
2020	3.4
2021	3.4
2022	3.4