Year % of households with a female head 1993 15.8 1997 18.4 2005 23.1 2006 21.7 2009 20 2011 24.8 2013 23.6 2014 29.4 2015 30.4 2016 30.6 2017 30.3 2018 32.4 2019 30.3 2021 24.5