Year	Per 1000 Births
1970	249.8
1971	250.1
1972	250.5
1973	250.9
1974	251.4
1975	251.7
1976	252
1977	252.4
1978	252.6
1979	252.9
1980	253.2
1981	253.7
1982	254.1
1983	254.4
1984	254.7
1985	255
1986	255.3
1987	255.5
1988	255.8
1989	256
1990	255
1991	254
1992	250.3
1993	245.5
1994	240.7
1995	236
1996	231.5
1997	226.9
1998	222.2
1999	217.6
2000	213.4
2001	209
2002	204.8
2003	200.7
2004	196.7
2005	192.8
2006	189
2007	185.2
2008	181.5
2009	177.9
2010	174.3
2011	170.9
2012	167.5
2013	164.2
2014	160.9
2015	157.7