Year % of urban population 2000 0.2 2001 0.3 2002 0.4 2003 0.5 2004 0.5 2005 0.6 2006 0.8 2007 1 2008 1.2 2009 1.4 2010 1.7 2011 1.9 2012 2.3 2013 2.7 2014 3.1 2015 3.5 2016 4 2017 4.6 2018 5.1 2019 5.6 2020 6.4 2021 7.1 2022 7.8