Year	Number per 1,000 Live Births
1960-01-01	36.3
1961-01-01	34.9
1962-01-01	33.7
1963-01-01	32.6
1964-01-01	31.6
1965-01-01	30.6
1966-01-01	29.6
1967-01-01	28.4
1968-01-01	27.2
1969-01-01	26.0
1970-01-01	24.8
1971-01-01	23.5
1972-01-01	22.4
1973-01-01	21.2
1974-01-01	20.1
1975-01-01	19.0
1976-01-01	18.0
1977-01-01	17.2
1978-01-01	16.4
1979-01-01	15.7
1980-01-01	15.0
1981-01-01	14.4
1982-01-01	13.8
1983-01-01	13.3
1984-01-01	12.7
1985-01-01	12.2
1986-01-01	11.7
1987-01-01	11.2
1988-01-01	10.8
1989-01-01	10.4
1990-01-01	10.0
1991-01-01	9.7
1992-01-01	9.3
1993-01-01	9.0
1994-01-01	8.7
1995-01-01	8.3
1996-01-01	8.0
1997-01-01	7.7
1998-01-01	7.3
1999-01-01	7.0
2000-01-01	6.8
2001-01-01	6.6
2002-01-01	6.4
2003-01-01	6.3
2004-01-01	6.2
2005-01-01	6.1
2006-01-01	6.0
2007-01-01	5.9
2008-01-01	5.9
2009-01-01	5.9
2010-01-01	5.8
2011-01-01	5.8
2012-01-01	5.8
2013-01-01	5.8
2014-01-01	5.8
2015-01-01	5.7
2016-01-01	5.7
2017-01-01	5.6