Year % of urban population 2000 23.6 2001 25 2002 26.4 2003 27.7 2004 29.1 2005 35.9 2006 32 2007 33.5 2008 33.1 2009 36.5 2010 34.3 2011 35.8 2012 41 2013 41.4 2014 44 2015 45.4 2016 46.9 2017 48.7 2018 53.2 2019 51.4 2020 55 2021 57 2022 55.3