Year per 1,000 live births 1967 69.7 1968 68.7 1969 67.7 1970 66.4 1971 65.2 1972 63.9 1973 62.5 1974 61.2 1975 59.8 1976 58.5 1977 57.2 1978 55.9 1979 54.7 1980 53.5 1981 52.4 1982 51.6 1983 50.8 1984 50.3 1985 49.8 1986 49.6 1987 49.6 1988 49.7 1989 49.7 1990 49.8 1991 50 1992 50 1993 50.1 1994 50 1995 49.8 1996 49.5 1997 49 1998 48.2 1999 47.4 2000 46.5 2001 45.3 2002 44.1 2003 42.9 2004 41.7 2005 40.7 2006 39.9 2007 39.3 2008 38.7 2009 38.3 2010 38 2011 37.7 2012 37.5 2013 37.3 2014 37.3 2015 37.2 2016 37 2017 36.7 2018 36.3 2019 35.9 2020 35.3 2021 34.8 2022 34.3