Population history
Population by year
| Year | Total | Male | Female | Density |
|---|---|---|---|---|
| 1950 | 14,000 | — | — | — |
| 1951 | 15,000 | — | — | — |
| 1952 | 15,000 | — | — | — |
| 1953 | 15,000 | — | — | — |
| 1954 | 15,000 | — | — | — |
| 1955 | 16,000 | — | — | — |
| 1956 | 16,000 | — | — | — |
| 1957 | 16,000 | — | — | — |
| 1958 | 16,000 | — | — | — |
| 1959 | 17,000 | — | — | — |
| 1960 | 17,000 | — | — | — |
| 1961 | 18,000 | — | — | — |
| 1962 | 18,000 | — | — | — |
| 1963 | 18,000 | — | — | — |
| 1964 | 18,000 | — | — | — |
| 1965 | 18,000 | — | — | — |
| 1966 | 19,000 | — | — | — |
| 1967 | 19,000 | — | — | — |
| 1968 | 19,000 | — | — | — |
| 1969 | 20,000 | — | — | — |
| 1970 | 20,000 | — | — | — |
| 1971 | 20,000 | — | — | — |
| 1972 | 20,000 | — | — | — |
| 1973 | 20,000 | — | — | — |
| 1974 | 19,000 | — | — | — |
| 1975 | 18,000 | — | — | — |
| 1976 | 18,000 | — | — | — |
| 1977 | 17,000 | — | — | — |
| 1978 | 17,000 | — | — | — |
| 1979 | 17,000 | — | — | — |
| 1980 | 17,000 | — | — | — |
| 1981 | 17,000 | — | — | — |
| 1982 | 17,000 | — | — | — |
| 1983 | 17,000 | — | — | — |
| 1984 | 17,000 | — | — | — |
| 1985 | 16,000 | — | — | — |
| 1986 | 16,000 | — | — | — |
| 1987 | 16,000 | — | — | — |
| 1988 | 16,000 | — | — | — |
| 1989 | 16,000 | — | — | — |
| 1990 | 17,000 | — | — | — |
| 1991 | 17,000 | — | — | — |
| 1992 | 17,000 | — | — | — |
| 1993 | 17,000 | — | — | — |
| 1994 | 17,000 | — | — | — |
| 1995 | 17,000 | — | — | — |
| 1996 | 17,000 | — | — | — |
| 1997 | 17,000 | — | — | — |
| 1998 | 17,000 | — | — | — |
| 1999 | 16,000 | — | — | — |
| 2000 | 15,000 | — | — | — |
| 2001 | 15,000 | — | — | — |
| 2002 | 14,000 | — | — | — |
| 2003 | 15,000 | — | — | — |
| 2004 | 15,000 | — | — | — |
| 2005 | 15,000 | — | — | — |
| 2006 | 15,000 | — | — | — |
| 2007 | 15,000 | — | — | — |
| 2008 | 15,000 | — | — | — |
| 2009 | 16,000 | — | — | — |
| 2010 | 16,000 | — | — | — |
| 2011 | 17,000 | — | — | — |
| 2012 | 17,000 | — | — | — |
| 2013 | 17,000 | — | — | — |
| 2014 | 17,000 | — | — | — |
| 2015 | 17,000 | — | — | — |
| 2016 | 17,000 | — | — | — |
| 2017 | 17,000 | — | — | — |
| 2018 | 16,000 | — | — | — |
| 2019 | 16,000 | — | — | — |
| 2020 | 15,000 | — | — | — |
| 2021 | 15,000 | — | — | — |
| 2022 | 14,000 | — | — | — |
| 2023 | 14,000 | — | — | — |
| 2024 | 13,000 | — | — | — |
| 2025 | 13,000 | — | — | — |