Year	Number per 1,000 Live Births
1960-01-01	85.7
1961-01-01	79.4
1962-01-01	73.7
1963-01-01	68.6
1964-01-01	64.1
1965-01-01	60.2
1966-01-01	56.9
1967-01-01	53.9
1968-01-01	51.0
1969-01-01	48
1970-01-01	44.8
1971-01-01	41.0
1972-01-01	37.0
1973-01-01	32.9
1974-01-01	28.9
1975-01-01	25.4
1976-01-01	22.3
1977-01-01	19.8
1978-01-01	17.8
1979-01-01	16.2
1980-01-01	15.1
1981-01-01	14.4
1982-01-01	13.9
1983-01-01	13.7
1984-01-01	13.6
1985-01-01	13.6
1986-01-01	13.7
1987-01-01	13.8
1988-01-01	13.9
1989-01-01	14.1
1990-01-01	14.2
1991-01-01	14.3
1992-01-01	14.3
1993-01-01	14.3
1994-01-01	14.2
1995-01-01	14.1
1996-01-01	14.0
1997-01-01	13.8
1998-01-01	13.7
1999-01-01	13.6
2000-01-01	13.4
2001-01-01	13.4
2002-01-01	13.4
2003-01-01	13.6
2004-01-01	13.8
2005-01-01	14.3
2006-01-01	14.8
2007-01-01	15.6
2008-01-01	16.5
2009-01-01	17.6
2010-01-01	18.9
2011-01-01	20.5
2012-01-01	22.4
2013-01-01	24.4
2014-01-01	26.6
2015-01-01	28.8
2016-01-01	30.4
2017-01-01	31.5