Year % of rural population 2000 13.8916979679047 2001 14.3062066179753 2002 14.7207152680459 2003 15.1352239181165 2004 15.5497325681871 2005 15.9642412182578 2006 16.3787498683284 2007 16.793258518399 2008 17.2077671684698 2009 17.6222758185404 2010 18.036784468611 2011 18.4512931186816 2012 18.8658017687522 2013 19.2803104188229 2014 19.6948190688935 2015 20.1093277189641 2016 20.5238363690347 2017 20.9383450191053 2018 21.352853669176 2019 21.7673623192466 2020 22.1818709693173 2021 22.5963796193879 2022 23.0108882694586