Year	% of urban population
2000	32.87141255033657
2002	30.87693585866392
2004	28.744453809038514
2006	26.70639916282352
2008	23.842181302844104
2010	22.149056448144087
2012	19.47796409377899
2014	18.91359323921236
2016	16.569222208770437