Year	Per 1000 Births
1983	43.3
1984	40.7
1985	38.6
1986	36.5
1987	34.6
1988	32.9
1989	31.2
1990	29.5
1991	28
1992	26.4
1993	25.7
1994	25.2
1995	24.7
1996	24.4
1997	23.9
1998	23.5
1999	23.1
2000	22.7
2001	22.3
2002	21.9
2003	21.5
2004	21.2
2005	20.9
2006	20.5
2007	20
2008	19.8
2009	19.3
2010	18.9
2011	18.7