Year	Per 1000 Births
1970	25.8
1971	25.1
1972	24.5
1973	23.9
1974	23.3
1975	22.7
1976	22.2
1977	21.6
1978	21
1979	20.5
1980	20
1981	19.5
1982	19
1983	18.5
1984	18
1985	17.6
1986	17.2
1987	16.8
1988	16.4
1989	16
1990	15.6
1991	15.2
1992	14.9
1993	14.4
1994	13.8
1995	13.3
1996	12.8
1997	12.3
1998	11.8
1999	11.3
2000	10.8
2001	10.4
2002	9.9
2003	9.5
2004	9.1
2005	8.7
2006	8.3
2007	8
2008	7.6
2009	7.3
2010	7
2011	6.7
2012	6.4
2013	6.2
2014	5.9
2015	5.6