Year	per 1,000 live births
1972	20
1973	18.6
1974	17.3
1975	16.3
1976	15.8
1977	15.8
1978	16.2
1979	16.3
1980	16.2
1981	16
1982	15.6
1983	15.2
1984	14.7
1985	14.2
1986	13.7
1987	13.2
1988	12.8
1989	12.3
1990	11.9
1991	11.5
1992	11.1
1993	10.7
1994	10.4
1995	10.3
1996	10.3
1997	10.5
1998	10.7
1999	11
2000	11.4
2001	11.7
2002	12
2003	12.2
2004	12.4
2005	12.5
2006	12.6
2007	12.6
2008	12.6
2009	12.6
2010	12.6
2011	12.6
2012	12.6
2013	12.6
2014	12.4
2015	12.3
2016	12.1
2017	11.9
2018	11.7
2019	11.6
2020	11.4
2021	11.3
2022	11.1