Year	Number per 1,000 Live Births
1960-01-01	57.2
1961-01-01	55.1
1962-01-01	53.2
1963-01-01	51.5
1964-01-01	50.0
1965-01-01	48.7
1966-01-01	47.5
1967-01-01	46.5
1968-01-01	45.6
1969-01-01	45.0
1970-01-01	44.5
1971-01-01	44.1
1972-01-01	43.8
1973-01-01	43.4
1974-01-01	42.8
1975-01-01	42.1
1976-01-01	41.2
1977-01-01	40.0
1978-01-01	38.6
1979-01-01	37.1
1980-01-01	35.5
1981-01-01	34.0
1982-01-01	32.5
1983-01-01	31.2
1984-01-01	30.0
1985-01-01	28.9
1986-01-01	27.9
1987-01-01	27.0
1988-01-01	26.1
1989-01-01	25.2
1990-01-01	24.3
1991-01-01	23.5
1992-01-01	22.7
1993-01-01	22.1
1994-01-01	21.5
1995-01-01	21.0
1996-01-01	20.6
1997-01-01	20.3
1998-01-01	20.0
1999-01-01	19.7
2000-01-01	19.5
2001-01-01	19.3
2002-01-01	19.2
2003-01-01	19.2
2004-01-01	19.4
2005-01-01	19.6
2006-01-01	19.9
2007-01-01	20.1
2008-01-01	20.2
2009-01-01	20.3
2010-01-01	20.3
2011-01-01	20.3
2012-01-01	20.4
2013-01-01	20.4
2014-01-01	20.6
2015-01-01	20.8
2016-01-01	21.1
2017-01-01	21.4