Year % of rural population 2000 17 2001 17.3 2002 18 2003 18.8 2004 19.3 2005 20.2 2006 21.3 2007 22.5 2008 24 2009 25.7 2010 27.7 2011 29.5 2012 31.3 2013 33.1 2014 34.9 2015 36.15 2016 37.4 2017 38.2 2018 39.1 2019 39.7 2020 40.3 2021 40.8 2022 41.4