Year	per 1,000 live births
1960	18
1961	17.4
1962	17
1963	16.6
1964	16.2
1965	15.8
1966	15.4
1967	15
1968	14.5
1969	14.1
1970	13.6
1971	13.1
1972	12.7
1973	12.2
1974	11.8
1975	11.4
1976	10.9
1977	10.5
1978	10.1
1979	9.7
1980	9.4
1981	9.2
1982	9
1983	8.9
1984	8.7
1985	8.5
1986	8.2
1987	8
1988	7.7
1989	7.5
1990	7.2
1991	6.9
1992	6.7
1993	6.5
1994	6.2
1995	6
1996	5.9
1997	5.8
1998	5.7
1999	5.6
2000	5.5
2001	5.4
2002	5.3
2003	5.1
2004	4.9
2005	4.8
2006	4.6
2007	4.4
2008	4.2
2009	4.1
2010	4
2011	3.9
2012	3.8
2013	3.7
2014	3.7
2015	3.7
2016	3.7
2017	3.6
2018	3.6
2019	3.6
2020	3.6
2021	3.6
2022	3.5