Year	per 1,000 live births
1968	15.9
1969	15.5
1970	15
1971	14.4
1972	13.6
1973	12.9
1974	12.2
1975	11.5
1976	10.8
1977	10.1
1978	9.5
1979	8.8
1980	8.4
1981	8
1982	7.7
1983	7.5
1984	7.2
1985	6.9
1986	6.7
1987	6.5
1988	6.2
1989	6
1990	5.7
1991	5.6
1992	5.4
1993	5.2
1994	5.1
1995	5
1996	4.9
1997	4.8
1998	4.8
1999	4.7
2000	4.6
2001	4.6
2002	4.7
2003	4.6
2004	4.5
2005	4.5
2006	4.4
2007	4.3
2008	4.3
2009	4.2
2010	4.1
2011	4.1
2012	4.1
2013	4
2014	4
2015	3.9
2016	3.8
2017	3.8
2018	3.8
2019	3.7
2020	3.6
2021	3.4
2022	3.2