Year	Per 1000 Births
1970	171.6
1971	171.5
1972	171.4
1973	171.2
1974	171
1975	170.7
1976	170.4
1977	170.1
1978	169.7
1979	170.1
1980	169.8
1981	168.5
1982	168
1983	167.4
1984	166.6
1985	165.4
1986	163.5
1987	161.4
1988	158.6
1989	155.6
1990	151.5
1991	147.3
1992	143
1993	139.3
1994	136.1
1995	132.3
1996	127.1
1997	122.3
1998	118.4
1999	114.6
2000	110.9
2001	107.2
2002	103.6
2003	100.9
2004	98.2
2005	95.6
2006	93.1
2007	90.6
2008	88.2
2009	85.9
2010	83.4
2011	81.1
2012	79
2013	76.8
2014	74.5
2015	72.3