Year	Per 1000 Births
1970	57
1971	54.9
1972	53
1973	51.1
1974	49.2
1975	47.4
1976	45.7
1977	44.1
1978	42.7
1979	41.5
1980	40.4
1981	39.5
1982	38.8
1983	37.3
1984	35.9
1985	34.6
1986	33.4
1987	32.4
1988	31.3
1989	30.1
1990	29
1991	28
1992	27
1993	26
1994	25
1995	24.1
1996	23.2
1997	22.4
1998	21.6
1999	20.8
2000	20
2001	19.3
2002	18.6
2003	17.9
2004	17.3
2005	16.7
2006	16.2
2007	15.5
2008	15
2009	14.4
2010	13.9
2011	13.4
2012	12.9
2013	12.4
2014	12
2015	11.5