Year % of population ages 15-49 1990 0.2 1991 0.3 1992 0.3 1993 0.4 1994 0.4 1995 0.5 1996 0.5 1997 0.5 1998 0.6 1999 0.6 2000 0.6 2001 0.7 2002 0.7 2003 0.7 2004 0.7 2005 0.8 2006 0.8 2007 0.8 2008 0.8 2009 0.8 2010 0.9 2011 0.9 2012 0.9 2013 0.9 2014 0.9 2015 0.9 2016 0.9 2017 1 2018 1 2019 1 2020 1 2021 1 2022 1