Year % of population ages 15-49 1990 1.7 1991 2.2 1992 2.7 1993 3.3 1994 4 1995 4.7 1996 5.5 1997 6.3 1998 7.1 1999 7.9 2000 8.6 2001 9.3 2002 9.8 2003 10.2 2004 10.5 2005 10.8 2006 11 2007 11.2 2008 11.4 2009 11.6 2010 11.8 2011 11.9 2012 12.1 2013 12.2 2014 12.3 2015 12.4 2016 12.4 2017 12.3 2018 12.3 2019 12.2 2020 12.1 2021 11.9 2022 11.6