Year	Number per 1,000 Live Births
1980-01-01	17.2
1981-01-01	16.5
1982-01-01	15.8
1983-01-01	15.2
1984-01-01	14.7
1985-01-01	14.2
1986-01-01	13.7
1987-01-01	13.2
1988-01-01	12.7
1989-01-01	12.4
1990-01-01	12.2
1991-01-01	12.1
1992-01-01	12.2
1993-01-01	12.3
1994-01-01	12.4
1995-01-01	12.4
1996-01-01	12.2
1997-01-01	11.9
1998-01-01	11.4
1999-01-01	10.7
2000-01-01	9.9
2001-01-01	9.2
2002-01-01	8.4
2003-01-01	7.7
2004-01-01	7.1
2005-01-01	6.5
2006-01-01	6.0
2007-01-01	5.5
2008-01-01	5.0
2009-01-01	4.6
2010-01-01	4.2
2011-01-01	3.9
2012-01-01	3.6
2013-01-01	3.4
2014-01-01	3.2
2015-01-01	3.1
2016-01-01	2.9
2017-01-01	2.8