Year	Per 1000 Births
1970	58.4
1971	54.5
1972	50.9
1973	47.6
1974	44.4
1975	41.5
1976	38.8
1977	36.3
1978	34
1979	31.8
1980	29.8
1981	27.9
1982	26.1
1983	25.4
1984	24.8
1985	24.1
1986	23.3
1987	22.4
1988	21.5
1989	20.6
1990	19.7
1991	18.9
1992	18.1
1993	17.3
1994	16.5
1995	15.7
1996	15
1997	14.3
1998	13.6
1999	13
2000	12.4
2001	11.8
2002	11.3
2003	10.8
2004	10.3
2005	9.8
2006	9.3
2007	8.9
2008	8.4
2009	8
2010	7.6
2011	7.3
2012	6.9
2013	6.6
2014	6.3
2015	6