Year	% of urban population
2000	3.6
2001	3.9
2002	4.4
2003	4.7
2004	5.3
2005	5.8
2006	6.5
2007	7.3
2008	7.9
2009	8.8
2010	10
2011	11.1
2012	12.5
2013	13.9
2014	15.7
2015	17.8
2016	19.9
2017	22.2
2018	25.2
2019	28.4
2020	31.6
2021	34.9
2022	38.6