Year	% of rural population
2000	8.3
2001	8.8
2002	9.5
2003	10.2
2004	11
2005	11.6
2006	12.3
2007	13.1
2008	13.7
2009	14.5
2010	15.3
2011	16.1
2012	16.8
2013	17.5
2014	18.1
2015	18.7
2016	19.2
2017	19.8
2018	20.2
2019	20.3
2020	20.85
2021	21
2022	21