Year per 1,000 live births 1964 50.8 1965 51 1966 51 1967 51.1 1968 51 1969 51 1970 50.8 1971 50.6 1972 51.5 1973 50.1 1974 49.8 1975 49.6 1976 49.2 1977 48.7 1978 48 1979 47.2 1980 46.3 1981 45.3 1982 44.2 1983 43.2 1984 42.1 1985 41.3 1986 40.7 1987 40.3 1988 40 1989 39.9 1990 39.9 1991 39.9 1992 39.8 1993 40.1 1994 39.5 1995 39.3 1996 39.1 1997 38.7 1998 38.2 1999 37.6 2000 37.1 2001 36.5 2002 35.9 2003 35.1 2004 34.4 2005 33.5 2006 32.5 2007 31.5 2008 30.5 2009 29.4 2010 28.4 2011 27.4 2012 26.5 2013 25.5 2014 24.6 2015 23.8 2016 23.1 2017 22.5 2018 21.9 2019 21.4 2020 20.8 2021 20.4 2022 19.8