Year per 1,000 live births 1990 36.8 1991 36.5 1992 36.1 1993 35.6 1994 35.1 1995 34.5 1996 33.9 1997 33.1 1998 32.4 1999 31.6 2000 30.7 2001 29.9 2002 29 2003 28 2004 27 2005 26.1 2006 25.2 2007 24.4 2008 23.6 2009 22.9 2010 22.3 2011 21.7 2012 21 2013 20.5 2014 19.9 2015 19.5 2016 19 2017 18.6 2018 18.5 2019 18.2 2020 18 2021 17.7 2022 17.3