Year per 1,000 live births 1981 13.4 1982 12.8 1983 12.1 1984 11.5 1985 10.8 1986 10.2 1987 9.6 1988 8.9 1989 8.3 1990 7.8 1991 7.2 1992 6.8 1993 6.3 1994 5.9 1995 5.5 1996 5.2 1997 4.9 1998 4.6 1999 4.3 2000 4.1 2001 3.9 2002 3.7 2003 3.5 2004 3.4 2005 3.2 2006 3 2007 2.9 2008 2.7 2009 2.6 2010 2.4 2011 2.3 2012 2.2 2013 2.1 2014 2 2015 2 2016 1.9 2017 1.9 2018 1.8 2019 1.8 2020 1.8 2021 1.7 2022 1.7