Year	Per 1000 Births
1970	180.6
1971	178.8
1972	177
1973	175.2
1974	173.5
1975	171.7
1976	170.1
1977	168.6
1978	168
1979	167.5
1980	167.2
1981	166.9
1982	166.6
1983	166.4
1984	166.2
1985	166
1986	165.9
1987	165.9
1988	165.7
1989	165.6
1990	165.6
1991	165.6
1992	165.7
1993	165.8
1994	165.8
1995	166
1996	166.1
1997	166.2
1998	165.6
1999	165.5
2000	165.5
2001	165
2002	164.6
2003	164.2
2004	164
2005	163.8
2006	163.6
2007	163.3
2008	163.2
2009	163
2010	163
2011	162.7
2012	162.5
2013	162.4
2014	162.3
2015	162.1