Year	Number per 1,000 Live Births
1960-01-01	20.3
1961-01-01	19.9
1962-01-01	19.5
1963-01-01	19.1
1964-01-01	18.7
1965-01-01	18.5
1966-01-01	18.3
1967-01-01	18.2
1968-01-01	18.1
1969-01-01	18
1970-01-01	17.8
1971-01-01	17.4
1972-01-01	16.8
1973-01-01	16.1
1974-01-01	15.3
1975-01-01	14.4
1976-01-01	13.5
1977-01-01	12.6
1978-01-01	11.9
1979-01-01	11.3
1980-01-01	10.8
1981-01-01	10.4
1982-01-01	10.1
1983-01-01	9.8
1984-01-01	9.6
1985-01-01	9.3
1986-01-01	9.1
1987-01-01	8.8
1988-01-01	8.4
1989-01-01	8.0
1990-01-01	7.6
1991-01-01	7.1
1992-01-01	6.7
1993-01-01	6.3
1994-01-01	6.0
1995-01-01	5.8
1996-01-01	5.6
1997-01-01	5.4
1998-01-01	5.3
1999-01-01	5.2
2000-01-01	5.1
2001-01-01	5.0
2002-01-01	5.0
2003-01-01	4.9
2004-01-01	4.8
2005-01-01	4.8
2006-01-01	4.6
2007-01-01	4.5
2008-01-01	4.4
2009-01-01	4.2
2010-01-01	4.0
2011-01-01	3.8
2012-01-01	3.6
2013-01-01	3.5
2014-01-01	3.3
2015-01-01	3.2
2016-01-01	3.1
2017-01-01	3.0