Year	Number per 1,000 Live Births
1968-01-01	25.1
1969-01-01	25.7
1970-01-01	26.1
1971-01-01	26.6
1972-01-01	27.0
1973-01-01	27.3
1974-01-01	27.5
1975-01-01	27.3
1976-01-01	27.1
1977-01-01	26.7
1978-01-01	26.2
1979-01-01	25.8
1980-01-01	25.2
1981-01-01	24.8
1982-01-01	24.3
1983-01-01	24
1984-01-01	23.8
1985-01-01	23.3
1986-01-01	22.9
1987-01-01	22.2
1988-01-01	21.4
1989-01-01	20.5
1990-01-01	19.6
1991-01-01	18.7
1992-01-01	17.9
1993-01-01	17.1
1994-01-01	16.3
1995-01-01	15.5
1996-01-01	14.8
1997-01-01	14.2
1998-01-01	13.7
1999-01-01	13.3
2000-01-01	13.1
2001-01-01	13.0
2002-01-01	12.9
2003-01-01	12.8
2004-01-01	12.6
2005-01-01	12.4
2006-01-01	11.9
2007-01-01	11.4
2008-01-01	10.8
2009-01-01	10.1
2010-01-01	9.4
2011-01-01	8.7
2012-01-01	8.1
2013-01-01	7.5
2014-01-01	6.9
2015-01-01	6.4
2016-01-01	6.1
2017-01-01	5.8