Year	Per 1000 Births
1953	60
1954	57.2
1955	54.6
1956	52
1957	49.5
1958	47
1959	44.8
1960	42.6
1961	40.4
1962	38.3
1963	36.3
1964	34.6
1965	33.2
1966	32
1967	31
1968	30.2
1969	29.5
1970	28.8
1971	28
1972	27
1973	25.8
1974	24.3
1975	22.7
1976	21.2
1977	19.8
1978	18.5
1979	17.3
1980	16.3
1981	15.5
1982	14.8
1983	14
1984	13.2
1985	12.5
1986	11.8
1987	11.2
1988	10.6
1989	10
1990	9.4
1991	8.9
1992	8.4
1993	7.9
1994	7.4
1995	6.9
1996	6.5
1997	6.2
1998	5.9
1999	5.7
2000	5.6
2001	5.4
2002	5.3
2003	5.2
2004	5
2005	4.9
2006	4.7
2007	4.6
2008	4.5
2009	4.4
2010	4.3
2011	4.2