Year % of rural population 2000 20.324578460465666 2001 20.452701608511127 2002 20.578945973721343 2003 20.700657668890823 2004 20.81584141432167 2005 20.925259244724806 2006 21.005013235707477 2007 21.16014243288605 2008 21.29659996160933 2009 21.381363692298617 2010 21.499270878976937 2011 21.65739817075871 2012 21.830033476240445 2013 21.90505234255029 2014 21.973434711189135 2015 22.043422472261657 2016 22.116435439949825 2017 22.197021059982838 2018 22.285675388760925 2019 22.383049925890987 2020 22.446999969798267 2021 22.455306272241987 2022 22.445896206933973