Year % of urban population 2000 13.6 2001 18.1 2002 21.2 2003 24.3 2004 26.2 2005 30.4 2006 33.6 2007 36.7 2008 39.9 2009 43.2 2010 55.2 2011 57.2 2012 59.1 2013 61 2014 61.5 2015 64.6 2016 66.4 2017 68.8 2018 70.7 2019 74.4 2020 77.5 2021 80.6 2022 83.6