Year per 1,000 live births 1973 62.1 1974 62.1 1975 62 1976 62 1977 61.8 1978 61.4 1979 60.9 1980 60.2 1981 59.5 1982 58.8 1983 58.1 1984 57.4 1985 56.6 1986 55.8 1987 54.9 1988 53.9 1989 52.8 1990 51.8 1991 50.7 1992 49.8 1993 49.1 1994 48.6 1995 48.1 1996 47.6 1997 46.9 1998 46 1999 45.1 2000 44 2001 43.1 2002 42.2 2003 41.3 2004 40.5 2005 39.8 2006 39.3 2007 38.8 2008 38.5 2009 38.2 2010 37.8 2011 37.5 2012 37 2013 36.6 2014 36.1 2015 35.5 2016 34.9 2017 34.5 2018 33.9 2019 33.3 2020 32.7 2021 32.2 2022 31.6