Year	Per 1000 Births
1980	17.3
1981	16.7
1982	16.1
1983	15.6
1984	15.1
1985	14.6
1986	14.1
1987	13.6
1988	13.1
1989	12.7
1990	12.3
1991	11.8
1992	11.4
1993	11
1994	10.8
1995	10.6
1996	10.4
1997	10.3
1998	10.1
1999	9.9
2000	9.6
2001	9.4
2002	9.1
2003	8.9
2004	8.7
2005	8.5
2006	8.2
2007	8
2008	7.8
2009	7.6
2010	7.4
2011	7.2