Population history
Population by year
| Year | Total | Male | Female | Density |
|---|---|---|---|---|
| 1950 | 27,000 | — | — | — |
| 1951 | 27,000 | — | — | — |
| 1952 | 28,000 | — | — | — |
| 1953 | 28,000 | — | — | — |
| 1954 | 29,000 | — | — | — |
| 1955 | 29,000 | — | — | — |
| 1956 | 30,000 | — | — | — |
| 1957 | 30,000 | — | — | — |
| 1958 | 31,000 | — | — | — |
| 1959 | 31,000 | — | — | — |
| 1960 | 33,000 | — | — | — |
| 1961 | 35,000 | — | — | — |
| 1962 | 38,000 | — | — | — |
| 1963 | 41,000 | — | — | — |
| 1964 | 44,000 | — | — | — |
| 1965 | 48,000 | — | — | — |
| 1966 | 51,000 | — | — | — |
| 1967 | 54,000 | — | — | — |
| 1968 | 57,000 | — | — | — |
| 1969 | 60,000 | — | — | — |
| 1970 | 63,000 | — | — | — |
| 1971 | 67,000 | — | — | — |
| 1972 | 71,000 | — | — | — |
| 1973 | 75,000 | — | — | — |
| 1974 | 79,000 | — | — | — |
| 1975 | 82,000 | — | — | — |
| 1976 | 85,000 | — | — | — |
| 1977 | 88,000 | — | — | — |
| 1978 | 91,000 | — | — | — |
| 1979 | 94,000 | — | — | — |
| 1980 | 96,000 | — | — | — |
| 1981 | 97,000 | — | — | — |
| 1982 | 98,000 | — | — | — |
| 1983 | 99,000 | — | — | — |
| 1984 | 100,000 | — | — | — |
| 1985 | 100,000 | — | — | — |
| 1986 | 101,000 | — | — | — |
| 1987 | 101,000 | — | — | — |
| 1988 | 101,000 | — | — | — |
| 1989 | 101,000 | — | — | — |
| 1990 | 102,000 | — | — | — |
| 1991 | 103,000 | — | — | — |
| 1992 | 104,000 | — | — | — |
| 1993 | 105,000 | — | — | — |
| 1994 | 106,000 | — | — | — |
| 1995 | 106,000 | — | — | — |
| 1996 | 107,000 | — | — | — |
| 1997 | 108,000 | — | — | — |
| 1998 | 108,000 | — | — | — |
| 1999 | 108,000 | — | — | — |
| 2000 | 108,000 | — | — | — |
| 2001 | 108,000 | — | — | — |
| 2002 | 108,000 | — | — | — |
| 2003 | 108,000 | — | — | — |
| 2004 | 107,000 | — | — | — |
| 2005 | 107,000 | — | — | — |
| 2006 | 107,000 | — | — | — |
| 2007 | 107,000 | — | — | — |
| 2008 | 106,000 | — | — | — |
| 2009 | 106,000 | — | — | — |
| 2010 | 106,000 | — | — | — |
| 2011 | 105,000 | — | — | — |
| 2012 | 104,000 | — | — | — |
| 2013 | 103,000 | — | — | — |
| 2014 | 101,000 | — | — | — |
| 2015 | 100,000 | — | — | — |
| 2016 | 97,000 | — | — | — |
| 2017 | 95,000 | — | — | — |
| 2018 | 92,000 | — | — | — |
| 2019 | 89,000 | — | — | — |
| 2020 | 87,000 | — | — | — |
| 2021 | 87,000 | — | — | — |
| 2022 | 86,000 | — | — | — |
| 2023 | 85,000 | — | — | — |
| 2024 | 84,000 | — | — | — |
| 2025 | 84,000 | — | — | — |