Year	% of urban population
2000	1.2
2001	1.6
2002	2.2
2003	3
2004	3.8
2005	4.8
2006	5.8
2007	6.7
2008	7.5
2009	8.3
2010	8.7
2011	9.1
2012	9.4
2013	9.2
2014	9.1
2015	9
2016	8.7
2017	8.4
2018	8
2019	7.5
2020	7.2
2021	6.9
2022	6.5