Year ages 15+ 1990 170000 1991 190000 1992 210000 1993 200000 1994 190000 1995 160000 1996 140000 1997 120000 1998 100000 1999 90000 2000 82000 2001 76000 2002 71000 2003 67000 2004 65000 2005 62000 2006 58000 2007 56000 2008 54000 2009 51000 2010 48000 2011 46000 2012 44000 2013 44000 2014 43000 2015 42000 2016 40000 2017 39000 2018 38000