Year	Per 1000 Births
1980	26.4
1981	25.5
1982	24.6
1983	23.8
1984	35.1
1985	34.3
1986	33.7
1987	33
1988	32.3
1989	31.7
1990	31
1991	30.2
1992	29.4
1993	28.7
1994	27.8
1995	27
1996	26.2
1997	25.3
1998	24.4
1999	23.7
2000	22.9
2001	22
2002	21.3
2003	20.7
2004	20.1
2005	19.5
2006	18.8
2007	18.2
2008	17.6
2009	17.2
2010	16.6
2011	16.2
2012	15.7
2013	15.1
2014	14.7
2015	14.2