Year	Per 1000 Births
1970	78.1
1971	72.9
1972	68.1
1973	63.5
1974	59.2
1975	55.1
1976	51.3
1977	47.7
1978	44.4
1979	41.3
1980	38.8
1981	36.4
1982	34.2
1983	32.1
1984	30.1
1985	28.2
1986	26.4
1987	24.7
1988	23.1
1989	21.7
1990	20.3
1991	19
1992	17.8
1993	16.7
1994	15.7
1995	14.7
1996	13.8
1997	12.9
1998	12.1
1999	11.3
2000	10.6
2001	9.9
2002	9.3
2003	8.7
2004	8.2
2005	7.6
2006	7.1
2007	6.7
2008	6.2
2009	5.8
2010	5.5
2011	5.1
2012	4.8
2013	4.5
2014	4.2
2015	3.9