Year	per 1,000 live births
1960	22
1961	21.4
1962	20.9
1963	20.5
1964	20
1965	19.7
1966	19.4
1967	19.3
1968	19.2
1969	19
1970	18.7
1971	18.3
1972	17.7
1973	16.9
1974	16
1975	15.1
1976	14.2
1977	13.3
1978	12.6
1979	12
1980	11.4
1981	11
1982	10.7
1983	10.4
1984	10.1
1985	9.9
1986	9.6
1987	9.3
1988	8.9
1989	8.5
1990	8
1991	7.6
1992	7.1
1993	6.8
1994	6.5
1995	6.2
1996	6
1997	5.9
1998	5.7
1999	5.6
2000	5.5
2001	5.4
2002	5.3
2003	5.3
2004	5.2
2005	5.1
2006	5
2007	4.9
2008	4.7
2009	4.5
2010	4.3
2011	4.1
2012	3.9
2013	3.8
2014	3.6
2015	3.5
2016	3.5
2017	3.5
2018	3.4
2019	3.4
2020	3.5
2021	3.5
2022	3.4