Year	Per 1000 Births
1970	32.5
1971	31.6
1972	30.6
1973	29.7
1974	28.8
1975	28.1
1976	27.3
1977	26.6
1978	25.8
1979	24.9
1980	24.2
1981	23.5
1982	22.8
1983	22.3
1984	21.8
1985	21.4
1986	20.9
1987	20.6
1988	20.3
1989	20
1990	19.7
1991	19.3
1992	19
1993	18.8
1994	18.4
1995	18.1
1996	17.9
1997	17.6
1998	17.3
1999	17.1
2000	16.8
2001	16.6
2002	16.1
2003	15.8
2004	15.5
2005	15.2
2006	14.9
2007	14.6
2008	14.4
2009	14.1
2010	13.9
2011	13.6
2012	13.4
2013	13.1
2014	12.9
2015	12.7