Year	Per 1000 Births
1970	67.2
1971	65.3
1972	63.5
1973	61.7
1974	60
1975	58.3
1976	56.7
1977	55.2
1978	53.6
1979	52.1
1980	50.5
1981	49
1982	47.5
1983	46
1984	44.8
1985	43.8
1986	42.8
1987	41.9
1988	40.9
1989	39.9
1990	38.9
1991	37.9
1992	37
1993	36.1
1994	35.2
1995	34.3
1996	33.4
1997	32.6
1998	31.8
1999	30.9
2000	30.2
2001	29.4
2002	28.6
2003	27.9
2004	27.2
2005	26.5
2006	25.8
2007	25.2
2008	24.5
2009	23.9
2010	23.3
2011	22.7
2012	22.1
2013	21.5
2014	21
2015	20.5