Year	Per 1000 Births
1980	27.3
1981	26.1
1982	24.9
1983	23.8
1984	22.8
1985	21.8
1986	20.9
1987	20
1988	19.2
1989	18.4
1990	17.6
1991	16.9
1992	16.3
1993	15.7
1994	15
1995	14.4
1996	13.7
1997	13.1
1998	12.5
1999	12
2000	11.6
2001	11.2
2002	10.9
2003	10.5
2004	10.2
2005	9.9
2006	9.6
2007	9.2
2008	8.8
2009	8.4
2010	8
2011	7.7