Year % of urban population 2000 33.18651349246109 2002 31.260536861419155 2004 29.138665822698705 2006 26.99680611754326 2008 24.070524521294224 2010 21.858765348296966 2012 19.284970597490773 2014 18.79495996317823 2016 16.39540820390697