Year	Number per 1,000 Live Births
1960-01-01	18.4
1961-01-01	18.0
1962-01-01	17.5
1963-01-01	17.1
1964-01-01	16.6
1965-01-01	16
1966-01-01	15.4
1967-01-01	14.8
1968-01-01	14.2
1969-01-01	13.7
1970-01-01	13.1
1971-01-01	12.7
1972-01-01	12.2
1973-01-01	11.6
1974-01-01	11
1975-01-01	10.5
1976-01-01	9.9
1977-01-01	9.3
1978-01-01	8.8
1979-01-01	8.4
1980-01-01	8.2
1981-01-01	8.0
1982-01-01	8.0
1983-01-01	8.1
1984-01-01	8.2
1985-01-01	8.3
1986-01-01	8.3
1987-01-01	8.2
1988-01-01	7.9
1989-01-01	7.5
1990-01-01	7.0
1991-01-01	6.4
1992-01-01	5.8
1993-01-01	5.3
1994-01-01	4.9
1995-01-01	4.6
1996-01-01	4.4
1997-01-01	4.2
1998-01-01	4.1
1999-01-01	4.0
2000-01-01	4.0
2001-01-01	3.8
2002-01-01	3.6
2003-01-01	3.6
2004-01-01	3.4
2005-01-01	3.2
2006-01-01	3.2
2007-01-01	3.0
2008-01-01	2.8
2009-01-01	2.7
2010-01-01	2.6
2011-01-01	2.5
2012-01-01	2.4
2013-01-01	2.3
2014-01-01	2.3
2015-01-01	2.2
2016-01-01	2.1
2017-01-01	2.1