Year % of urban population 2000 18.4432460620439 2001 18.4432460620439 2002 18.4432460620439 2003 18.3962241993728 2004 18.3491814804252 2005 18.3021179052007 2006 18.2550334736996 2007 18.2079281859217 2008 18.1608020418672 2009 18.113655041536 2010 18.066487184928 2011 18.0192984720434 2012 17.972088902882 2013 17.924858477444 2014 17.8776071957293 2015 17.8303350577378 2016 17.7830420634697 2017 17.7357282129249 2018 17.6883935061033 2019 17.6410379430051 2020 17.5936615236301 2021 17.5295302507383 2022 17.3949077800445