Year	per 1,000 live births
1989	10.2
1990	9.8
1991	9.4
1992	9
1993	8.7
1994	8.4
1995	8.1
1996	7.9
1997	7.7
1998	7.6
1999	7.4
2000	7.2
2001	7
2002	6.8
2003	6.6
2004	6.4
2005	6.2
2006	6
2007	5.9
2008	5.7
2009	5.6
2010	5.5
2011	5.4
2012	5.4
2013	5.4
2014	5.4
2015	5.4
2016	5.4
2017	5.3
2018	5.3
2019	5.2
2020	5
2021	4.9
2022	4.8