Year per 1,000 live births 1977 67.5 1978 67.7 1979 68 1980 68.1 1981 67.9 1982 67.6 1983 67 1984 66.1 1985 65.1 1986 64.1 1987 63.1 1988 62.1 1989 61.1 1990 60.1 1991 59.1 1992 58 1993 56.7 1994 55.4 1995 53.9 1996 52.6 1997 51.4 1998 50.3 1999 49.3 2000 48.3 2001 47.3 2002 46.2 2003 45.3 2004 44.5 2005 43.6 2006 42.8 2007 41.8 2008 40.8 2009 39.8 2010 38.7 2011 37.5 2012 36.4 2013 35.3 2014 34.3 2015 33.3 2016 32.3 2017 31.4 2018 30.5 2019 29.6 2020 28.8 2021 28 2022 27.1