Year % of urban population 2000 18.1304309970757 2001 18.2380876861723 2002 18.345744375269 2003 18.4534010643656 2004 18.5610577534622 2005 18.6687144425589 2006 18.7763711316555 2007 18.8840278207521 2008 19.0179744494526 2009 19.1606832050995 2010 19.3022671490246 2011 19.6369494620225 2012 19.9905402814363 2013 20.3369770977791 2014 20.676117953593 2015 21.0078206196764 2016 21.3319425950862 2017 21.6483411071356 2018 21.9568731113961 2019 22.2573952916955 2020 22.5497640601198 2021 22.8338355570124 2022 23.1094656509733