Year % of women ages 15-49 2000 21.2 2001 21.3 2002 21.3 2003 21.3 2004 21.2 2005 21.1 2006 21 2007 20.8 2008 20.5 2009 20.2 2010 20 2011 19.8 2012 19.6 2013 19.4 2014 19.2 2015 19.1 2016 19 2017 19 2018 18.9 2019 18.9