Year	Number per 1,000 Live Births
1975-01-01	76.9
1976-01-01	72.8
1977-01-01	69.0
1978-01-01	65.4
1979-01-01	62.0
1980-01-01	58.8
1981-01-01	55.9
1982-01-01	53.1
1983-01-01	50.4
1984-01-01	47.9
1985-01-01	45.5
1986-01-01	43.3
1987-01-01	41.1
1988-01-01	39.1
1989-01-01	37.3
1990-01-01	35.7
1991-01-01	34.2
1992-01-01	32.9
1993-01-01	31.7
1994-01-01	30.6
1995-01-01	29.5
1996-01-01	28.5
1997-01-01	27.6
1998-01-01	26.7
1999-01-01	25.9
2000-01-01	25.1
2001-01-01	24.5
2002-01-01	23.9
2003-01-01	23.3
2004-01-01	22.7
2005-01-01	22.2
2006-01-01	21.7
2007-01-01	21.2
2008-01-01	20.7
2009-01-01	20.3
2010-01-01	19.9
2011-01-01	19.6
2012-01-01	19.4
2013-01-01	19.1
2014-01-01	18.9
2015-01-01	18.6
2016-01-01	18.3
2017-01-01	17.9