Year	Per 1000 Births
1973	29
1974	27
1975	25.2
1976	23.6
1977	22.1
1978	20.8
1979	19.5
1980	18.3
1981	17.5
1982	16.6
1983	15.8
1984	15.1
1985	14.4
1986	13.8
1987	13.1
1988	12.6
1989	12
1990	11.5
1991	10.9
1992	10.4
1993	9.8
1994	9.2
1995	8.7
1996	8.3
1997	7.8
1998	7.5
1999	7.2
2000	6.9
2001	6.6
2002	6.4
2003	6.1
2004	5.8
2005	5.6
2006	5.3
2007	5.1
2008	4.9
2009	4.7
2010	4.5
2011	4.3