Year	Per 1000 Births
1970	67.2
1971	62.5
1972	58.2
1973	54.2
1974	50.4
1975	47
1976	43.8
1977	40.8
1978	38
1979	35.4
1980	33
1981	30.8
1982	28.7
1983	26.8
1984	24.9
1985	23.3
1986	22
1987	20.7
1988	19.5
1989	18.4
1990	17.4
1991	16.3
1992	15.4
1993	14.5
1994	13.6
1995	12.8
1996	12.1
1997	11.4
1998	10.7
1999	10
2000	9.4
2001	8.9
2002	8.4
2003	7.9
2004	7.4
2005	7
2006	6.5
2007	6.1
2008	5.8
2009	5.4
2010	5.1
2011	4.8
2012	4.5
2013	4.2
2014	4
2015	3.7