Year	per 1,000 live births
1968	34
1969	31.1
1970	30
1971	29.6
1972	28.9
1973	27.6
1974	26.1
1975	24.5
1976	22.9
1977	21.3
1978	19.7
1979	18
1980	15.6
1981	13.6
1982	11.9
1983	10.7
1984	9.9
1985	9.6
1986	9.4
1987	9.4
1988	9.4
1989	9.1
1990	8.6
1991	8
1992	7.4
1993	7
1994	6.7
1995	6.5
1996	6.4
1997	6.3
1998	6.2
1999	6
2000	5.7
2001	5.4
2002	5.3
2003	5.3
2004	5.4
2005	5.4
2006	5.4
2007	5.4
2008	5.3
2009	5.3
2010	5.3
2011	5.3
2012	5.3
2013	5.2
2014	5.2
2015	5.1
2016	5.1
2017	5
2018	4.8
2019	4.7
2020	4.5
2021	4.3
2022	4.1