Year % of urban population 2000 4.53330448453897 2001 4.2966711468876 2002 4.06003780923618 2003 3.82340447158475 2004 3.58677113393338 2005 3.35013779628196 2006 3.11350445863059 2007 2.87687112097916 2008 2.64023778332773 2009 2.40360444567637 2010 2.16697110802494 2011 1.93033777037357 2012 1.69370443272214 2013 1.45707109507077 2014 1.22043775741935 2015 0.983804419767921 2016 0.747171082116552 2017 0.510537744465125 2018 0.273904406813756 2019 0.0372710691623297 2020 0 2021 0 2022 0