Year	Number per 1,000 Live Births
1960-01-01	29.5
1961-01-01	28.1
1962-01-01	27
1963-01-01	26.0
1964-01-01	25
1965-01-01	24.1
1966-01-01	23.3
1967-01-01	22.5
1968-01-01	21.9
1969-01-01	21.3
1970-01-01	20.5
1971-01-01	19.7
1972-01-01	18.7
1973-01-01	17.7
1974-01-01	16.7
1975-01-01	15.8
1976-01-01	14.9
1977-01-01	14.2
1978-01-01	13.5
1979-01-01	12.8
1980-01-01	12.2
1981-01-01	11.7
1982-01-01	11.2
1983-01-01	10.7
1984-01-01	10.2
1985-01-01	9.9
1986-01-01	9.5
1987-01-01	9.2
1988-01-01	8.9
1989-01-01	8.6
1990-01-01	8.3
1991-01-01	8.0
1992-01-01	7.7
1993-01-01	7.2
1994-01-01	6.8
1995-01-01	6.3
1996-01-01	5.9
1997-01-01	5.5
1998-01-01	5.3
1999-01-01	5.0
2000-01-01	4.9
2001-01-01	4.7
2002-01-01	4.5
2003-01-01	4.3
2004-01-01	4.3
2005-01-01	4.1
2006-01-01	4.0
2007-01-01	3.9
2008-01-01	3.8
2009-01-01	3.7
2010-01-01	3.7
2011-01-01	3.6
2012-01-01	3.5
2013-01-01	3.4
2014-01-01	3.3
2015-01-01	3.2
2016-01-01	3.1
2017-01-01	3.1