Year	Number per 1,000 Live Births
1960-01-01	66.1
1961-01-01	64.3
1962-01-01	62.8
1963-01-01	61.5
1964-01-01	60.3
1965-01-01	59.2
1966-01-01	58.2
1967-01-01	57.3
1968-01-01	56.5
1969-01-01	55.8
1970-01-01	55.2
1971-01-01	54.9
1972-01-01	54.6
1973-01-01	54.5
1974-01-01	54.5
1975-01-01	54.4
1976-01-01	54.4
1977-01-01	54.2
1978-01-01	54.0
1979-01-01	53.6
1980-01-01	53.2
1981-01-01	52.6
1982-01-01	52.0
1983-01-01	51.4
1984-01-01	50.5
1985-01-01	49.4
1986-01-01	48.0
1987-01-01	46.3
1988-01-01	44.4
1989-01-01	42.5
1990-01-01	40.5
1991-01-01	38.6
1992-01-01	37.0
1993-01-01	35.5
1994-01-01	34.3
1995-01-01	33.2
1996-01-01	32.2
1997-01-01	31.4
1998-01-01	30.7
1999-01-01	30.0
2000-01-01	29.4
2001-01-01	28.8
2002-01-01	28.2
2003-01-01	27.6
2004-01-01	27.0
2005-01-01	26.5
2006-01-01	26.1
2007-01-01	25.6
2008-01-01	25.2
2009-01-01	24.9
2010-01-01	24.5
2011-01-01	24.2
2012-01-01	23.9
2013-01-01	23.6
2014-01-01	23.3
2015-01-01	23.0
2016-01-01	22.7
2017-01-01	22.2