Year % of urban population 1960 19.48529419908666 1961 19.786457129962333 1962 20.08198047384814 1963 20.38694335635449 1964 20.660252658127945 1965 20.915642576973845 1966 21.120331333739152 1967 21.309943116838465 1968 21.51207106434632 1969 21.729818254433525 1970 21.97957930703508 1971 22.244084756966092 1972 22.529467666267376 1973 22.828972726388113 1974 23.10877278559539 1975 23.390735828736627 1976 23.489518388895014 1977 23.58937064433825 1978 23.74136443767599 1979 23.8565368267235 1980 23.908639395188267 1981 23.96185111317774 1982 24.011207186877442 1983 24.018967531861488 1984 24.013304088677515 1985 23.989635654305346 1986 23.97771663988172 1987 23.971320660001197 1988 24.007070253234385 1989 24.01213624026036 1990 24.04542985796141 1991 24.19399398325102 1992 24.28143331597046 1993 24.26842165953071 1994 24.2233392511293 1995 24.22340799028752 1996 24.280817527185633 1997 24.351105256987598 1998 24.425824167163317 1999 24.478000571602465 2000 24.55548767783306 2001 24.587427217127882 2002 24.629591328064667 2003 24.6132449434712 2004 24.495599565277747 2005 24.365658872829485 2006 24.254315023910376 2007 24.021829388856805 2008 24.01273997371739 2009 23.981064464458594 2010 23.70134297269329 2011 23.39757489613256 2012 23.315669902042213 2013 23.229503671529653 2014 23.193937746877456 2015 23.186696147204422 2016 23.1895195698916 2017 23.207955854863858 2018 23.221711718328212 2019 23.20034999411685 2020 23.1681373094171 2021 23.15063209848171 2022 23.32607594299022 2023 23.303467487770828