Year	Number per 1,000 Live Births
1968-01-01	90.9
1969-01-01	91.7
1970-01-01	92.6
1971-01-01	93.6
1972-01-01	94.8
1973-01-01	96.1
1974-01-01	97.6
1975-01-01	99.1
1976-01-01	100.4
1977-01-01	101.7
1978-01-01	102.8
1979-01-01	103.8
1980-01-01	105.1
1981-01-01	106.7
1982-01-01	108.2
1983-01-01	109.2
1984-01-01	109.5
1985-01-01	109.1
1986-01-01	108.0
1987-01-01	106.0
1988-01-01	103.4
1989-01-01	100.6
1990-01-01	97.7
1991-01-01	95.0
1992-01-01	92.4
1993-01-01	90
1994-01-01	87.7
1995-01-01	85.1
1996-01-01	82.2
1997-01-01	79.0
1998-01-01	75.5
1999-01-01	71.9
2000-01-01	68.5
2001-01-01	65.2
2002-01-01	62.1
2003-01-01	59.3
2004-01-01	56.6
2005-01-01	54.0
2006-01-01	51.7
2007-01-01	49.4
2008-01-01	47.1
2009-01-01	45.0
2010-01-01	42.9
2011-01-01	40.9
2012-01-01	39.0
2013-01-01	37.4
2014-01-01	36.1
2015-01-01	34.9
2016-01-01	33.7
2017-01-01	32.7