Year % of rural population 2000 1.8 2001 2.2 2002 2.8 2003 3.6 2004 4.6 2005 5.9 2006 8 2007 10.7 2008 14.2 2009 18.4 2010 23.3 2011 28.4 2012 33.8 2013 39.7 2014 44.9 2015 50.7 2016 56 2017 61.1 2018 66.2 2019 70.8 2020 75.1 2021 78.9 2022 82.3