Year	Per 1000 Births
1949	31.8
1950	31.6
1951	30.3
1952	29
1953	27.7
1954	26.6
1955	25.5
1956	24.7
1957	24.1
1958	23.6
1959	23.3
1960	22.9
1961	22.5
1962	22
1963	21.4
1964	20.8
1965	20.1
1966	19.6
1967	19.1
1968	18.7
1969	18.4
1970	18
1971	17.7
1972	17.2
1973	16.6
1974	16
1975	15.4
1976	14.7
1977	14.1
1978	13.4
1979	12.7
1980	12
1981	11.4
1982	10.8
1983	10.4
1984	10
1985	9.7
1986	9.5
1987	9.2
1988	8.8
1989	8.4
1990	7.9
1991	7.4
1992	7
1993	6.6
1994	6.3
1995	6.1
1996	5.9
1997	5.8
1998	5.8
1999	5.7
2000	5.6
2001	5.4
2002	5.3
2003	5.3
2004	5.2
2005	5.1
2006	5
2007	4.9
2008	4.7
2009	4.6
2010	4.4
2011	4.2
2012	4.1
2013	3.9
2014	3.7
2015	3.5