Year	Per 1000 Births
1960	51
1968	25
1969	25.5
1970	26
1971	26.4
1972	26.8
1973	27.2
1974	27.2
1975	27.2
1976	26.9
1977	26.6
1978	26.2
1979	25.7
1980	25.2
1981	24.8
1982	24.3
1983	24
1984	23.7
1985	23.4
1986	22.9
1987	22.2
1988	21.4
1989	20.6
1990	19.7
1991	18.8
1992	18
1993	17.2
1994	16.3
1995	15.6
1996	14.8
1997	14.1
1998	13.6
1999	13.2
2000	13
2001	12.9
2002	12.8
2003	12.7
2004	12.7
2005	12.6
2006	12.5
2007	12.2
2008	11.9
2009	11.7
2010	11.4
2011	11.1
2012	10.9
2013	10.5
2014	10.2
2015	9.9