Year % of rural population 2000 3.60318939298798 2001 4.22216153246719 2002 4.84113367194661 2003 5.46010581142602 2004 6.16312617483376 2005 6.88326213024583 2006 7.62051367766199 2007 8.3748808170821 2008 9.14636354850654 2009 9.9349618719349 2010 10.7406757873675 2011 11.5635052948044 2012 12.4034503942451 2013 13.2605110856901 2014 14.1346873691393 2015 15.0259792445923 2016 15.9343867120497 2017 16.8599097715113 2018 17.8025484229767 2019 18.7623026664466 2020 19.7391725019202 2021 20.7331579293982 2022 21.7442589488804