Year % of rural population 2000 0.3 2001 0.3 2002 0.3 2003 0.3 2004 0.3 2005 0.3 2006 0.4 2007 0.4 2008 0.4 2009 0.3 2010 0.4 2011 0.4 2012 0.4 2013 0.4 2014 0.4 2015 0.4 2016 0.4 2017 0.5 2018 0.5 2019 0.5 2020 0.6 2021 0.6 2022 0.6