Year	Per 1000 Births
1984	19.5
1985	19.4
1986	19.3
1987	19.2
1988	18.9
1989	18.5
1990	18
1991	17.4
1992	16.7
1993	16.1
1994	15.6
1995	15.1
1996	14.7
1997	14.3
1998	14
1999	13.8
2000	13.6
2001	13.3
2002	13.1
2003	12.9
2004	12.6
2005	12.4
2006	12.3
2007	12.1
2008	12
2009	12
2010	11.9
2011	11.8
2012	11.5
2013	11.4
2014	11.1
2015	10.8