Year	Per 1000 Births
1970	48.3
1971	47
1972	45.7
1973	44.5
1974	43.3
1975	42.1
1976	40.9
1977	39.8
1978	38.7
1979	37.7
1980	36.6
1981	35.6
1982	34.5
1983	33.4
1984	32.3
1985	31.2
1986	30.1
1987	29.1
1988	28.3
1989	27.6
1990	26.8
1991	25.9
1992	25.1
1993	24.5
1994	23.8
1995	23.2
1996	22.6
1997	22
1998	21.4
1999	20.8
2000	20.3
2001	19.7
2002	19.2
2003	18.7
2004	18.2
2005	17.7
2006	17.3
2007	16.8
2008	16.4
2009	15.9
2010	15.5
2011	15.1
2012	14.7
2013	14.3
2014	13.9
2015	13.5