Year	Number per 1,000 Live Births
1984-01-01	19.8
1985-01-01	19.7
1986-01-01	19.6
1987-01-01	19.4
1988-01-01	19.1
1989-01-01	18.6
1990-01-01	18.1
1991-01-01	17.4
1992-01-01	16.8
1993-01-01	16.1
1994-01-01	15.5
1995-01-01	15.0
1996-01-01	14.5
1997-01-01	14.1
1998-01-01	13.8
1999-01-01	13.5
2000-01-01	13.2
2001-01-01	13.0
2002-01-01	12.7
2003-01-01	12.5
2004-01-01	12.4
2005-01-01	12.3
2006-01-01	12.2
2007-01-01	12.2
2008-01-01	12.3
2009-01-01	12.5
2010-01-01	12.7
2011-01-01	13.1
2012-01-01	13.4
2013-01-01	13.9
2014-01-01	14.4
2015-01-01	14.8
2016-01-01	15.1
2017-01-01	15.3