Year	% of urban population
2000	19.083950914589945
2002	18.013513944054832
2004	16.7635105137774
2006	15.385095598564465
2008	13.969024055722365
2010	12.788078562719024
2012	11.58300277253155
2014	9.647500620473915
2016	8.883069118381506
2018	8.55411421328789