Year	per 1,000 live births
1973	57.1
1974	55.2
1975	53.5
1976	51.9
1977	50.4
1978	48.8
1979	47.1
1980	45
1981	42.8
1982	40.5
1983	38.2
1984	35.9
1985	34
1986	32.3
1987	30.8
1988	29.7
1989	28.7
1990	28
1991	27.4
1992	27
1993	26.6
1994	26.3
1995	25.9
1996	25.4
1997	24.8
1998	24.1
1999	23.2
2000	22.2
2001	21.2
2002	20.3
2003	19.4
2004	18.7
2005	18.1
2006	17.6
2007	17.3
2008	17.2
2009	17.1
2010	17.1
2011	17.2
2012	17.3
2013	17.4
2014	17.4
2015	17.2
2016	17
2017	16.7
2018	16.3
2019	15.9
2020	15.5
2021	15.1
2022	14.6