Year	Per 1000 Births
1978	27.9
1979	26.8
1980	25.8
1981	24.7
1982	23.8
1983	22.8
1984	21.9
1985	21
1986	20.2
1987	19.9
1988	19.9
1989	20.2
1990	20.6
1991	21.3
1992	22
1993	22.6
1994	22.9
1995	22.5
1996	21.7
1997	20.6
1998	19.6
1999	18.5
2000	17.3
2001	16.1
2002	15
2003	14.2
2004	13.4
2005	12.6
2006	11.8
2007	11
2008	10.2
2009	9.6
2010	8.9
2011	8.3