Year	Number per 1,000 Live Births
1984-01-01	13.8
1985-01-01	13.0
1986-01-01	12.2
1987-01-01	11.5
1988-01-01	10.8
1989-01-01	10.2
1990-01-01	9.6
1991-01-01	9.0
1992-01-01	8.5
1993-01-01	8.0
1994-01-01	7.5
1995-01-01	7.1
1996-01-01	6.7
1997-01-01	6.3
1998-01-01	5.9
1999-01-01	5.6
2000-01-01	5.2
2001-01-01	4.9
2002-01-01	4.7
2003-01-01	4.4
2004-01-01	4.1
2005-01-01	3.9
2006-01-01	3.7
2007-01-01	3.5
2008-01-01	3.3
2009-01-01	3.1
2010-01-01	2.9
2011-01-01	2.7
2012-01-01	2.6
2013-01-01	2.4
2014-01-01	2.3
2015-01-01	2.2
2016-01-01	2.1
2017-01-01	2.0