Year	Per 1000 Births
1979	27.6
1980	26.8
1981	26
1982	25.2
1983	24.4
1984	23.8
1985	23.1
1986	22.4
1987	21.8
1988	21.3
1989	20.7
1990	20.1
1991	19.3
1992	18.5
1993	17.5
1994	16.4
1995	15.4
1996	14.5
1997	13.5
1998	12.6
1999	11.6
2000	10.8
2001	10.1
2002	9.3
2003	8.5
2004	7.8
2005	7.2
2006	6.6
2007	5.9
2008	5.2
2009	4.7
2010	4.1
2011	3.7