Year	% of urban population
2000	1
2001	1.2
2002	1.6
2003	2
2004	2.6
2005	3.2
2006	3.9
2007	4.6
2008	5.55
2009	6.5
2010	7.4
2011	8.4
2012	9.2
2013	10.4
2014	11.5
2015	12.5
2016	13.3
2017	14
2018	14.9
2019	15.6
2020	16.3
2021	16.9
2022	17.8