Year	Number per 1,000 Live Births
1984-01-01	26.2
1985-01-01	24.1
1986-01-01	22.1
1987-01-01	20.4
1988-01-01	18.9
1989-01-01	17.5
1990-01-01	16.1
1991-01-01	14.9
1992-01-01	14.4
1993-01-01	13.5
1994-01-01	12.3
1995-01-01	11.6
1996-01-01	10.7
1997-01-01	10.1
1998-01-01	9.6
1999-01-01	9.0
2000-01-01	8.7
2001-01-01	8.3
2002-01-01	8.1
2003-01-01	8.0
2004-01-01	7.9
2005-01-01	7.8
2006-01-01	7.5
2007-01-01	7.2
2008-01-01	6.9
2009-01-01	6.5
2010-01-01	6.2
2011-01-01	5.9
2012-01-01	5.7
2013-01-01	5.5
2014-01-01	5.4
2015-01-01	5.2
2016-01-01	5.1
2017-01-01	4.9