Year % of urban population 2000 20.876803942713515 2001 19.917911246162415 2002 18.961482099199518 2003 18.01093197507326 2004 17.065469801575855 2005 16.12256915896736 2006 15.18223874926053 2007 14.245868684782362 2008 13.310583149139145 2009 12.373576055839989 2010 11.436359122094121 2011 10.500997528597907 2012 9.570376673490292 2013 8.64407739011272 2014 7.719223333105463 2015 6.7964096677731805 2016 5.875233452827308 2017 4.953422635321371 2018 4.037338284084009 2019 3.122786115675457 2020 2.228497172052355 2021 1.339726704522986 2022 0.46128946779589447