Year	per 1,000 live births
1989	20.4
1990	21.8
1991	23.5
1992	23
1993	22.5
1994	22.1
1995	39.3
1996	39
1997	38.7
1998	38.4
1999	38.2
2000	37.9
2001	37.6
2002	37.1
2003	18.7
2004	18.2
2005	17.8
2006	17.5
2007	17.6
2008	17.1
2009	16.6
2010	15.9
2011	14.9
2012	13.9
2013	12.9
2014	12.1
2015	11.4
2016	11
2017	10.2
2018	9.8
2019	9.3
2020	8.9
2021	8.5
2022	9.1