Year	% of urban population
2000	2.3
2001	2.6
2002	2.9
2003	3.3
2004	3.9
2005	4.4
2006	5.2
2007	6.1
2008	7.2
2009	8.4
2010	10
2011	11.5
2012	13.2
2013	14.8
2014	16.3
2015	17.85
2016	19.4
2017	21
2018	22.6
2019	24
2020	25.6
2021	26.9
2022	28.6