Year	Per 1000 Births
1970	96.3
1971	90.4
1972	84.6
1973	79.1
1974	74.3
1975	69.5
1976	64.9
1977	61.2
1978	57.2
1979	53.5
1980	50.3
1981	47.3
1982	44.3
1983	41.7
1984	38.9
1985	36.3
1986	34.2
1987	32.2
1988	29.9
1989	28.4
1990	26.5
1991	25.6
1992	24.7
1993	24
1994	23.2
1995	22.7
1996	22.3
1997	22
1998	22
1999	21.8
2000	21.9
2001	21.7
2002	21.8
2003	21.7
2004	21.5
2005	21.6
2006	21.5
2007	21.3
2008	21.2
2009	21.2
2010	21.2
2011	20.9