Year % of rural population 2000 16.93915261869011 2001 17.03077559383996 2002 17.375064693492433 2003 17.73037844721003 2004 18.095539824871633 2005 18.46733707406738 2006 18.846135272370677 2007 19.229099762039425 2008 19.614167203833695 2009 19.998581565508 2010 20.387475687209932 2011 20.780501100057936 2012 21.177334306590172 2013 21.57982077963986 2014 21.98342875564133 2015 22.387550853030483 2016 22.792088781720413 2017 23.201318277861375 2018 23.554386884154827 2019 23.97074708100854 2020 24.39244194156983 2021 24.798363519714208 2022 25.359382992363948