Year	Per 1000 Births
1970	31.5
1971	31.2
1972	30.8
1973	30.5
1974	30.2
1975	30
1976	29.7
1977	29.3
1978	28.8
1979	28.4
1980	28.1
1981	27.7
1982	27.4
1983	27
1984	26.4
1985	25.8
1986	25.1
1987	24.2
1988	23.2
1989	22.1
1990	21.1
1991	20.2
1992	19.3
1993	18.5
1994	17.7
1995	16.8
1996	15.9
1997	15.1
1998	14.4
1999	13.7
2000	13
2001	12.4
2002	11.8
2003	11.3
2004	10.7
2005	10.2
2006	9.8
2007	9.3
2008	8.9
2009	8.4
2010	8.1
2011	7.7
2012	7.3
2013	7
2014	6.7
2015	6.4