Year per 1,000 live births 1960 22.7 1961 22.2 1962 21.8 1963 21.3 1964 20.9 1965 20.7 1966 20.5 1967 20.4 1968 20.4 1969 20.3 1970 20.1 1971 19.6 1972 19 1973 18.2 1974 17.2 1975 16.2 1976 15.1 1977 14.2 1978 13.3 1979 12.6 1980 12 1981 11.6 1982 11.2 1983 10.9 1984 10.7 1985 10.4 1986 10.2 1987 9.8 1988 9.4 1989 9 1990 8.5 1991 8 1992 7.5 1993 7 1994 6.7 1995 6.4 1996 6.2 1997 6 1998 5.9 1999 5.7 2000 5.6 2001 5.5 2002 5.5 2003 5.4 2004 5.3 2005 5.2 2006 5.1 2007 5 2008 4.8 2009 4.6 2010 4.4 2011 4.2 2012 3.9 2013 3.8 2014 3.6 2015 3.5 2016 3.5 2017 3.5 2018 3.5 2019 3.5 2020 3.5 2021 3.5 2022 3.4