Year per 1,000 live births 1973 60.4 1974 58.1 1975 55.9 1976 54 1977 52 1978 50.2 1979 48.1 1980 45.8 1981 43.2 1982 40.6 1983 38.1 1984 35.7 1985 33.6 1986 31.7 1987 30.2 1988 29 1989 27.9 1990 27.1 1991 26.6 1992 26.1 1993 25.7 1994 25.4 1995 25 1996 24.5 1997 23.8 1998 23.1 1999 22.2 2000 21.3 2001 20.3 2002 19.4 2003 18.5 2004 17.8 2005 17.2 2006 16.8 2007 16.5 2008 16.3 2009 16.3 2010 16.3 2011 16.3 2012 16.4 2013 16.5 2014 16.5 2015 16.3 2016 16.1 2017 15.8 2018 15.4 2019 15 2020 14.6 2021 14.2 2022 13.8