Year	Per 1000 Births
1970	29
1971	28.2
1972	27.5
1973	26.7
1974	26
1975	25.4
1976	24.7
1977	24
1978	23.4
1979	22.8
1980	22.1
1981	21.5
1982	20.9
1983	20.3
1984	19.9
1985	19.4
1986	19
1987	18.5
1988	18
1989	17.6
1990	17.2
1991	16.7
1992	16.3
1993	15.8
1994	15
1995	14.2
1996	13.5
1997	12.8
1998	12.1
1999	11.6
2000	10.9
2001	10.3
2002	9.7
2003	9.2
2004	8.7
2005	8.2
2006	7.7
2007	7.3
2008	6.9
2009	6.6
2010	6.2
2011	5.8
2012	5.5
2013	5.3
2014	5
2015	4.7