Year	per 1,000 live births
1971	29.7
1972	28.8
1973	27.8
1974	27
1975	26.3
1976	25.7
1977	25.2
1978	24.7
1979	24.2
1980	23.6
1981	22.9
1982	22.1
1983	21.3
1984	20.5
1985	19.7
1986	18.9
1987	18.3
1988	17.7
1989	17.3
1990	17.2
1991	17.2
1992	17.3
1993	17.6
1994	17.8
1995	18
1996	18.1
1997	17.9
1998	17.6
1999	17
2000	16.3
2001	15.6
2002	14.8
2003	14.1
2004	13.5
2005	12.9
2006	12.4
2007	12
2008	11.5
2009	11
2010	10.5
2011	10
2012	9.5
2013	9.1
2014	8.8
2015	8.5
2016	8.2
2017	8
2018	7.8
2019	7.7
2020	7.5
2021	7.4
2022	7.7