Year	Per 1000 Births
1967	29.2
1968	28
1969	26.9
1970	25.8
1971	24.8
1972	23.6
1973	22.6
1974	21.6
1975	20.6
1976	19.4
1977	18.3
1978	17.1
1979	16
1980	15
1981	14.1
1982	13.3
1983	12.5
1984	11.8
1985	11.2
1986	10.6
1987	10.1
1988	9.5
1989	9
1990	8.5
1991	8.1
1992	7.6
1993	7.2
1994	6.8
1995	6.5
1996	6.2
1997	6
1998	5.7
1999	5.6
2000	5.4
2001	5.2
2002	5.1
2003	5
2004	4.9
2005	4.7
2006	4.6
2007	4.5
2008	4.4
2009	4.2
2010	4.1
2011	4