Year % of population ages 15-49 1990 0.1 1991 0.1 1992 0.1 1993 0.1 1994 0.1 1995 0.1 1996 0.2 1997 0.2 1998 0.3 1999 0.3 2000 0.4 2001 0.5 2002 0.5 2003 0.6 2004 0.6 2005 0.7 2006 0.7 2007 0.7 2008 0.7 2009 0.7 2010 0.7 2011 0.7 2012 0.7 2013 0.8 2014 0.8 2015 0.8 2016 0.8 2017 0.8 2018 0.8 2019 0.9 2020 0.9 2021 1 2022 1