Year	per 1,000 live births
1968	20.2
1969	19.6
1970	19
1971	18.4
1972	17.7
1973	16.9
1974	16
1975	15.2
1976	14.3
1977	13.4
1978	12.4
1979	11.6
1980	10.9
1981	10.2
1982	9.6
1983	9
1984	8.5
1985	8
1986	7.6
1987	7.1
1988	6.7
1989	6.4
1990	6
1991	5.7
1992	5.4
1993	5.1
1994	4.9
1995	4.6
1996	4.4
1997	4.3
1998	4.1
1999	4
2000	3.9
2001	3.8
2002	3.7
2003	3.7
2004	3.6
2005	3.5
2006	3.4
2007	3.3
2008	3.2
2009	3.2
2010	3.1
2011	3.1
2012	3.1
2013	3
2014	3
2015	3
2016	3
2017	3
2018	2.9
2019	2.9
2020	2.9
2021	2.8
2022	2.8