Year	per 1,000 live births
1968	11.1
1969	10.9
1970	10.6
1971	10.4
1972	10.2
1973	9.9
1974	9.4
1975	9
1976	8.4
1977	7.9
1978	7.3
1979	6.8
1980	6.3
1981	5.9
1982	5.6
1983	5.3
1984	5.1
1985	4.9
1986	4.7
1987	4.6
1988	4.5
1989	4.4
1990	4.3
1991	4.2
1992	4
1993	3.8
1994	3.6
1995	3.5
1996	3.5
1997	3.5
1998	3.5
1999	3.5
2000	3.5
2001	3.5
2002	3.5
2003	3.4
2004	3.3
2005	3.1
2006	3
2007	2.9
2008	2.9
2009	3.1
2010	3.2
2011	3.3
2012	3.3
2013	3.3
2014	3.2
2015	3.1
2016	3
2017	2.8
2018	2.7
2019	2.7
2020	2.6
2021	2.5
2022	2.5