Year % of urban population 1960 25.95287043999915 1961 26.26522034278543 1962 26.5751651837821 1963 26.877205112424246 1964 27.171059938883396 1965 27.460742097208605 1966 27.76891358694989 1967 27.907912402175732 1968 27.958479878831717 1969 28.01084853057676 1970 28.058604865697113 1971 28.12023739150673 1972 28.202245612171282 1973 28.283900126770657 1974 28.359968239240146 1975 28.428081786000618 1976 28.512710871376367 1977 28.215050936909215 1978 27.681191875957783 1979 27.12063863033547 1980 26.534172838324626 1981 25.584041416704938 1982 24.692255736827562 1983 24.159769571296057 1984 23.635409464563946 1985 23.136726919490417 1986 22.676671071673557 1987 22.083775224882405 1988 21.503487269084655 1989 20.974470093159685 1990 20.251735436355307 1991 19.56873794672548 1992 19.039614314426153 1993 18.797555956426795 1994 18.61256875369916 1995 18.259587883363576 1996 17.923366324461547 1997 17.675532144472903 1998 17.443770441293 1999 17.214233086083254 2000 16.98149229984972 2001 16.744627385223254 2002 16.637002773986683 2003 16.541071923815746 2004 16.33680808523862 2005 16.13903897538018 2006 15.957784825510233 2007 15.751879581488664 2008 15.543241704694447 2009 15.341393688834806 2010 15.138050468521358 2011 14.958848756797638 2012 14.828181592728445 2013 14.694572369795486 2014 14.500196665002521 2015 14.258451961558412 2016 14.082717720282487 2017 13.967568143303073 2018 13.87263967621665 2019 13.811583709125937 2020 13.79228540733635 2021 13.79365234583333 2022 13.793746834062812 2023 13.789340898582067