Year	Per 1000 Births
1970	47.8
1971	46.5
1972	45.4
1973	44.1
1974	43
1975	41.8
1976	40.7
1977	39.6
1978	38.5
1979	37.5
1980	36.4
1981	35.4
1982	34.4
1983	33.5
1984	32.6
1985	32.3
1986	32
1987	31.8
1988	31.6
1989	31.3
1990	31.1
1991	30.9
1992	30.6
1993	30.4
1994	30.2
1995	30
1996	29.8
1997	29.7
1998	29.4
1999	29.3
2000	29.1
2001	29
2002	28.9
2003	28.8
2004	28.6
2005	28.5
2006	28.3
2007	28.1
2008	27.9
2009	27.8
2010	27.6
2011	27.4
2012	27.3
2013	27.1
2014	26.9
2015	26.7