Year	Number per 1,000 Live Births
1967-01-01	62.6
1968-01-01	62.8
1969-01-01	63.0
1970-01-01	63.3
1971-01-01	63.7
1972-01-01	64.0
1973-01-01	64.2
1974-01-01	64.5
1975-01-01	64.7
1976-01-01	64.9
1977-01-01	65.0
1978-01-01	64.9
1979-01-01	64.6
1980-01-01	64.0
1981-01-01	63.0
1982-01-01	61.8
1983-01-01	60.3
1984-01-01	58.6
1985-01-01	56.9
1986-01-01	55
1987-01-01	53.3
1988-01-01	51.7
1989-01-01	50.3
1990-01-01	49.0
1991-01-01	48.0
1992-01-01	47.3
1993-01-01	46.8
1994-01-01	46.7
1995-01-01	46.7
1996-01-01	46.9
1997-01-01	47.2
1998-01-01	47.5
1999-01-01	47.7
2000-01-01	47.9
2001-01-01	47.7
2002-01-01	47.3
2003-01-01	46.8
2004-01-01	45.7
2005-01-01	42.7
2006-01-01	40.7
2007-01-01	39.5
2008-01-01	39.1
2009-01-01	39.5
2010-01-01	38.2
2011-01-01	37.9
2012-01-01	38.2
2013-01-01	37.0
2014-01-01	36.1
2015-01-01	34.8
2016-01-01	32.7
2017-01-01	31.8