Year	% of urban population
2000	2
2001	2
2002	2.1
2003	2.1
2004	2.3
2005	2.4
2006	2.6
2007	2.8
2008	3
2009	3.3
2010	3.8
2011	4.4
2012	5.3
2013	6.5
2014	8.3
2015	10.9
2016	14.6
2017	19.3
2018	24.9
2019	31.1
2020	36.8
2021	41.6
2022	45.35