Year % of urban population 2000 8.511083672943666 2001 8.322677278521178 2002 8.112237507642895 2003 7.896451250519638 2004 7.681914247352105 2005 7.435448575334409 2006 7.1846368467373605 2007 6.928791512285571 2008 6.693111995170108 2009 6.4603737319178185 2010 6.2206020806909015 2011 6.202845192620118 2012 5.951075330618834 2013 5.705191817518842 2014 5.453217028252332 2015 5.188328073680244 2016 4.91798883664543 2017 4.543297946713106 2018 4.283636161522217 2019 4.033443069093788 2020 3.8373083998941815 2021 3.6256057400896435 2022 3.5596516431528356