Year % of urban population 2000 5.5 2001 6.1 2002 7.1 2003 8.3 2004 9.6 2005 11.2 2006 13.2 2007 15.4 2008 18.2 2009 21.75 2010 25.7 2011 30.3 2012 35.6 2013 40.9 2014 47 2015 53 2016 59.1 2017 65 2018 70.3 2019 74.9 2020 79.2 2021 82.8 2022 86.4