Year	% of urban population
2000	39.3
2001	39.9
2002	39.8
2003	40.2
2004	40
2005	40.3
2006	40.1
2007	40.5
2008	40.5
2009	40.1
2010	39.75
2011	39.5
2012	39.6
2013	39.2
2014	38.5
2015	38.2
2016	37.7
2017	37.1
2018	36.9
2019	36.4
2020	35.55
2021	35.2
2022	34.2