Year per 1,000 live births 1971 38 1972 37.1 1973 36.3 1974 35.2 1975 33.7 1976 31.7 1977 29.2 1978 26.5 1979 23.9 1980 21.6 1981 19.6 1982 17.8 1983 16.1 1984 14.6 1985 13.2 1986 12.2 1987 11.6 1988 11.3 1989 11.2 1990 11.1 1991 11 1992 10.7 1993 10.2 1994 9.7 1995 9.1 1996 8.5 1997 8 1998 7.5 1999 7 2000 6.5 2001 6.1 2002 5.7 2003 5.3 2004 5 2005 4.7 2006 4.3 2007 4.1 2008 3.8 2009 3.6 2010 3.4 2011 3.2 2012 3.1 2013 3 2014 2.9 2015 2.9 2016 3 2017 3 2018 3.1 2019 3.2 2020 3.3 2021 3.4 2022 3.5