Year	per 1,000 live births
1971	70.9
1972	68.2
1973	65.6
1974	63.1
1975	60.9
1976	58.9
1977	57
1978	55
1979	52.8
1980	50.4
1981	47.7
1982	45
1983	42.2
1984	39.7
1985	37.4
1986	35.4
1987	33.7
1988	32.4
1989	31.3
1990	30.4
1991	29.8
1992	29.3
1993	28.9
1994	28.4
1995	28
1996	27.4
1997	26.7
1998	25.9
1999	24.9
2000	23.9
2001	22.8
2002	21.7
2003	20.8
2004	20
2005	19.3
2006	18.8
2007	18.5
2008	18.3
2009	18.2
2010	18.2
2011	18.3
2012	18.4
2013	18.4
2014	18.4
2015	18.2
2016	18
2017	17.6
2018	17.2
2019	16.8
2020	16.4
2021	15.9
2022	15.4