Year % of urban population 2000 14.9682964538175 2001 15.1412912807379 2002 15.3142861076583 2003 15.4872809345787 2004 15.8318184295914 2005 16.1801458954358 2006 16.5322633321118 2007 16.8881707396195 2008 17.2478681179589 2009 17.61135546713 2010 17.9786327871328 2011 18.3497000779672 2012 18.7245573396333 2013 19.1032045721311 2014 19.4856417754606 2015 19.8718689496217 2016 20.2618860946146 2017 20.6556932104391 2018 21.0532902970953 2019 21.4546773545832 2020 21.8598543829028 2021 22.268821382054 2022 22.268821382054