Year	Number per 1,000 Live Births
1984-01-01	24.1
1985-01-01	21.9
1986-01-01	20
1987-01-01	18.3
1988-01-01	16.8
1989-01-01	15.7
1990-01-01	14.8
1991-01-01	14.2
1992-01-01	13.9
1993-01-01	13.7
1994-01-01	13.7
1995-01-01	13.6
1996-01-01	13.6
1997-01-01	13.5
1998-01-01	13.4
1999-01-01	13.2
2000-01-01	12.7
2001-01-01	12.3
2002-01-01	11.7
2003-01-01	11.0
2004-01-01	10.3
2005-01-01	9.6
2006-01-01	8.9
2007-01-01	8.2
2008-01-01	7.5
2009-01-01	6.7
2010-01-01	6.2
2011-01-01	5.6
2012-01-01	5.1
2013-01-01	4.6
2014-01-01	4.2
2015-01-01	3.8
2016-01-01	3.5
2017-01-01	3.2