Year	Per 1000 Births
1960	22
1970	21
1980	17
1981	16.4
1982	16
1983	15.6
1984	15.4
1985	15.1
1986	14.7
1987	14.3
1988	13.7
1989	13.3
1990	12.7
1991	12.2
1992	11.5
1993	10.7
1994	9.7
1995	8.8
1996	7.9
1997	7.2
1998	6.5
1999	6
2000	5.6
2001	5.3
2002	5.1
2003	4.8
2004	4.6
2005	4.4
2006	4.2
2007	3.9
2008	3.8
2009	3.6
2010	3.4
2011	3.2
2012	3.2
2013	3
2014	2.9
2015	2.8