Year ages 15+ (ages 0-14) 1990 29000 1991 33000 1992 36000 1993 36000 1994 37000 1995 36000 1996 35000 1997 33000 1998 32000 1999 31000 2000 30000 2001 29000 2002 28000 2003 27000 2004 27000 2005 26000 2006 25000 2007 24000 2008 23000 2009 23000 2010 23000 2011 22000 2012 22000 2013 22000 2014 22000 2015 23000 2016 22000 2017 22000 2018 23000 2019 23000 2020 21000 2021 18000 2022 17000