Year % of rural population 1999 8.47495609330614 2002 0.6 2003 3.7 2004 6.8 2005 10 2006 3.9 2008 19.6 2009 9 2010 27.9 2011 32.2 2012 36.5 2013 40.4 2014 45.5 2015 51.5 2016 54.9 2017 60.5 2018 63.6 2019 67.6 2020 71.5 2021 75.4 2022 75.4