Year	% of urban population
2000	5.4
2001	6.6
2002	8
2003	9.5
2004	11.3
2005	13
2006	14.5
2007	16.1
2008	17.1
2009	18.9
2010	19.8
2011	21.1
2012	22.8
2013	24.5
2014	26.8
2015	29.4
2016	33
2017	37.4
2018	41.8
2019	45.8
2020	50.9
2021	56.1
2022	61
