Year	per 1,000 live births
1970	25.1
1971	24.9
1972	24.6
1973	24.3
1974	23.8
1975	23.4
1976	23
1977	22.4
1978	21.6
1979	20.3
1980	18.7
1981	17.1
1982	16
1983	15.7
1984	16.1
1985	16.6
1986	16.9
1987	16.9
1988	16.4
1989	15.6
1990	14.9
1991	14.6
1992	14.6
1993	14.5
1994	14.2
1995	13.5
1996	12.4
1997	11.5
1998	11.1
1999	11.1
2000	11.1
2001	11
2002	10.7
2003	10.2
2004	9.6
2005	9.1
2006	8.7
2007	8.4
2008	8.1
2009	7.8
2010	7.6
2011	7.5
2012	7.4
2013	7.3
2014	7.1
2015	6.8
2016	6.5
2017	6.2
2018	6.1
2019	6
2020	5.9
2021	5.8
2022	5.7