Year	Per 1000 Births
1970	38
1971	36.5
1972	35.2
1973	33.8
1974	32.6
1975	31.4
1976	30.2
1977	29
1978	27.7
1979	26.5
1980	25.4
1981	24.3
1982	23.2
1983	22.2
1984	21.4
1985	20.6
1986	19.6
1987	18.7
1988	17.8
1989	17
1990	16.2
1991	15.4
1992	14.7
1993	14.1
1994	13.5
1995	12.8
1996	12.2
1997	11.6
1998	11.1
1999	10.5
2000	10
2001	9.6
2002	9.1
2003	8.7
2004	8.3
2005	7.9
2006	7.5
2007	7.2
2008	6.8
2009	6.5
2010	6.2
2011	5.9
2012	5.6
2013	5.4
2014	5.1
2015	4.9