Year % of urban population 2000 4 2001 4.5 2002 5 2003 5.5 2004 6 2005 6.5 2006 6.9 2007 7.4 2008 7.9 2009 8.3 2010 8.8 2011 9.4 2012 9.8 2013 10.3 2014 10.7 2015 11.3 2016 11.8 2017 12.4 2018 12.9 2019 13.5 2020 14.2 2021 14.7 2022 15.3