Year % of women ages 15-49 2000 20.4 2001 20.4 2002 20.5 2003 20.5 2004 20.4 2005 20 2006 19.8 2007 19.4 2008 19 2009 18.5 2010 18 2011 17.7 2012 17.6 2013 17.5 2014 17.3 2015 17.1 2016 17 2017 17.1 2018 17.1 2019 17.3