Year % of urban population 2000 6.78385658103465 2001 6.639650455676784 2002 6.514138518540582 2003 6.369643127803836 2004 6.22322056484972 2005 6.076292508746517 2006 5.9280220791516465 2007 5.77712415964237 2008 5.62412720268806 2009 5.468616515402976 2010 5.307317945447346 2011 5.149989636885494 2012 5.001298249795781 2013 4.8520395295267855 2014 4.700066108732549 2015 4.545590628378425 2016 4.390051497163217 2017 4.232543400113774 2018 4.071389160982907 2019 3.906944112092402 2020 3.741693055156524 2021 3.5739951045365306 2022 3.435370161387061