Year	per 1,000 live births
1975	23.3
1976	22.6
1977	22
1978	21.5
1979	21.2
1980	20.9
1981	20.8
1982	20.9
1983	20.9
1984	20.9
1985	20.9
1986	20.7
1987	20.3
1988	20
1989	19.6
1990	19.4
1991	19.1
1992	18.9
1993	18.8
1994	18.7
1995	18.7
1996	18.7
1997	18.7
1998	18.5
1999	18
2000	17.1
2001	16.1
2002	15.6
2003	15.4
2004	15.5
2005	15.8
2006	16.2
2007	16.3
2008	16.3
2009	16
2010	15.5
2011	14.9
2012	14.2
2013	13.4
2014	12.6
2015	11.8
2016	11.1
2017	10.5
2018	10
2019	9.6
2020	9.2
2021	9
2022	8.7