Year % of rural population 2000 0.8 2001 1 2002 1.3 2003 1.6 2004 1.9 2005 2.4 2006 3 2007 3.6 2008 4.3 2009 5.1 2010 5.9 2011 7 2012 8 2013 9 2014 10.2 2015 11.4 2016 12.6 2017 13.5 2018 14.5 2019 15.6 2020 16.4 2021 17.4 2022 18.5