Year	Per 1000 Births
1970	48.6
1971	45.9
1972	43.4
1973	41.1
1974	38.9
1975	36.8
1976	34.8
1977	33
1978	31.3
1979	30
1980	28.7
1981	27.5
1982	26.4
1983	25.3
1984	24.3
1985	23.4
1986	22.4
1987	21.6
1988	20.7
1989	19.9
1990	19.1
1991	18.3
1992	17.6
1993	17
1994	16.3
1995	15.8
1996	15.2
1997	14.6
1998	14.1
1999	13.5
2000	13
2001	12.6
2002	12.1
2003	11.7
2004	11.2
2005	10.8
2006	10.4
2007	10
2008	9.7
2009	9.3
2010	8.9
2011	8.6
2012	8.3
2013	7.9
2014	7.6
2015	7.3