Year	Per 1000 Births
1980	25.3
1981	23.7
1982	22.2
1983	20.8
1984	19.4
1985	18.1
1986	16.9
1987	15.8
1988	14.7
1989	13.7
1990	12.9
1991	12.1
1992	11.5
1993	10.9
1994	10.5
1995	10.1
1996	9.6
1997	9.3
1998	9
1999	8.7
2000	8.4
2001	8
2002	7.7
2003	7.4
2004	7.1
2005	6.8
2006	6.4
2007	6.1
2008	5.9
2009	5.6
2010	5.3
2011	5.1