Year	Per 1000 Births
1960	70
1970	34
1980	20
1981	19.2
1982	18.4
1983	17.5
1984	16.7
1985	15.7
1986	14.8
1987	13.8
1988	12.9
1989	11.9
1990	11.2
1991	10.5
1992	9.9
1993	9.5
1994	9
1995	8.7
1996	8.3
1997	8
1998	7.7
1999	7.4
2000	7.1
2001	6.9
2002	6.6
2003	6.3
2004	6.1
2005	5.8
2006	5.6
2007	5.3
2008	5
2009	4.8
2010	4.6
2011	4.3
2012	4.1
2013	4
2014	3.8
2015	3.6