Year	Per 1000 Births
1970	133.5
1971	135.1
1972	136.8
1973	138.5
1974	140.2
1975	141.9
1976	143.6
1977	145.3
1978	147.1
1979	148.9
1980	150.7
1981	152.4
1982	154.3
1983	156.1
1984	158
1985	160
1986	161.6
1987	163.9
1988	166.3
1989	168.7
1990	171.2
1991	173.7
1992	176.4
1993	179.1
1994	181.9
1995	184.8
1996	187
1997	189.1
1998	191.3
1999	193.5
2000	195.6
2001	197.9
2002	200.1
2003	202.4
2004	204.7
2005	207
2006	209.4
2007	211.8
2008	214.2
2009	216.6
2010	219.1
2011	221.6
2012	224.1
2013	226.6
2014	229.2
2015	231.8