Year	Number per 1,000 Live Births
1970-01-01	56.5
1971-01-01	54.9
1972-01-01	53.3
1973-01-01	51.8
1974-01-01	50.4
1975-01-01	49.1
1976-01-01	47.9
1977-01-01	46.6
1978-01-01	45.2
1979-01-01	43.6
1980-01-01	41.8
1981-01-01	39.8
1982-01-01	37.6
1983-01-01	35.6
1984-01-01	33.5
1985-01-01	31.8
1986-01-01	30.2
1987-01-01	28.8
1988-01-01	27.7
1989-01-01	26.8
1990-01-01	26.1
1991-01-01	25.4
1992-01-01	25.0
1993-01-01	24.6
1994-01-01	24.2
1995-01-01	23.6
1996-01-01	22.9
1997-01-01	22.0
1998-01-01	21.0
1999-01-01	19.9
2000-01-01	18.7
2001-01-01	17.6
2002-01-01	16.5
2003-01-01	15.6
2004-01-01	14.7
2005-01-01	14.0
2006-01-01	13.3
2007-01-01	12.8
2008-01-01	12.4
2009-01-01	12.1
2010-01-01	11.9
2011-01-01	11.8
2012-01-01	11.7
2013-01-01	11.7
2014-01-01	11.7
2015-01-01	11.7
2016-01-01	11.7
2017-01-01	11.6