Year	% of urban population
2000	4.2
2001	4.35
2002	4.6
2003	4.8
2004	5.1
2005	5.5
2006	5.8
2007	6.1
2008	6.8
2009	7.2
2010	7.9
2011	8.4
2012	9.1
2013	9.8
2014	10.3
2015	10.7
2016	11.4
2017	11.75
2018	12.2
2019	12.4
2020	12.8
2021	13.2
2022	12.9