Year ages 15+ (ages 0-14) 1990 6800 1991 8000 1992 9200 1993 10000 1994 12000 1995 14000 1996 15000 1997 17000 1998 18000 1999 20000 2000 21000 2001 23000 2002 24000 2003 26000 2004 27000 2005 27000 2006 28000 2007 29000 2008 29000 2009 29000 2010 28000 2011 28000 2012 28000 2013 26000 2014 23000 2015 22000 2016 22000 2017 22000 2018 20000 2019 19000 2020 18000 2021 16000 2022 15000