Year	Per 1000 Births
1970	232
1971	233
1972	234.1
1973	235
1974	235.7
1975	235.9
1976	235.7
1977	234.6
1978	233.3
1979	227.9
1980	225
1981	222.7
1982	221
1983	219.6
1984	218.1
1985	216.8
1986	216.2
1987	216.7
1988	214.4
1989	211.9
1990	209.4
1991	207.9
1992	206.3
1993	204.6
1994	202.8
1995	199.3
1996	193.9
1997	191.2
1998	188.7
1999	186.1
2000	183.5
2001	180.8
2002	178.2
2003	176.3
2004	173.9
2005	171.6
2006	169.4
2007	167.3
2008	165.1
2009	162.9
2010	160.9
2011	158.9
2012	157
2013	155.2
2014	153.2
2015	151.3