Year % of rural population 2000 13.509754259353977 2001 13.631118247578298 2002 15.669390169408356 2003 15.939494212581886 2004 16.212826096892226 2005 16.651882538879505 2006 17.123355779720022 2007 17.63045220090326 2008 18.106262792386055 2009 18.556853225498834 2010 19.015288723759795 2011 19.173220793157434 2012 19.63612001728629 2013 20.013590464071708 2014 20.380753000273423 2015 20.734527762452046 2016 21.143228450228158 2017 21.597201430819563 2018 22.002039430498485 2019 22.428700156803203 2020 22.82561912864266 2021 23.20676704234562 2022 23.565640068546152