Population history
Population by year
| Year | Total | Male | Female | Density |
|---|---|---|---|---|
| 1950 | 21,000 | 10,000 | 11,000 | 2165.60 |
| 1951 | 21,000 | 10,000 | 11,000 | 2146.20 |
| 1952 | 21,000 | 10,000 | 11,000 | 2147.00 |
| 1953 | 21,000 | 10,000 | 11,000 | 2159.35 |
| 1954 | 21,000 | 10,000 | 11,000 | 2169.95 |
| 1955 | 21,000 | 10,000 | 11,000 | 2178.50 |
| 1956 | 21,000 | 10,000 | 11,000 | 2184.60 |
| 1957 | 21,000 | 10,000 | 11,000 | 2188.20 |
| 1958 | 21,000 | 10,000 | 11,000 | 2188.55 |
| 1959 | 21,000 | 10,000 | 11,000 | 2186.85 |
| 1960 | 21,000 | 10,000 | 11,000 | 2183.90 |
| 1961 | 21,000 | 10,000 | 11,000 | 2187.15 |
| 1962 | 22,000 | 10,000 | 11,000 | 2219.70 |
| 1963 | 22,000 | 11,000 | 11,000 | 2275.35 |
| 1964 | 23,000 | 11,000 | 11,000 | 2331.50 |
| 1965 | 23,000 | 11,000 | 12,000 | 2387.80 |
| 1966 | 24,000 | 12,000 | 12,000 | 2444.35 |
| 1967 | 25,000 | 12,000 | 12,000 | 2501.45 |
| 1968 | 25,000 | 12,000 | 12,000 | 2557.75 |
| 1969 | 26,000 | 13,000 | 13,000 | 2612.05 |
| 1970 | 26,000 | 13,000 | 13,000 | 2663.40 |
| 1971 | 27,000 | 13,000 | 13,000 | 2702.05 |
| 1972 | 27,000 | 13,000 | 13,000 | 2728.95 |
| 1973 | 27,000 | 13,000 | 13,000 | 2753.65 |
| 1974 | 27,000 | 13,000 | 13,000 | 2775.45 |
| 1975 | 27,000 | 14,000 | 13,000 | 2795.10 |
| 1976 | 28,000 | 14,000 | 13,000 | 2813.45 |
| 1977 | 28,000 | 14,000 | 14,000 | 2830.00 |
| 1978 | 28,000 | 14,000 | 14,000 | 2844.60 |
| 1979 | 28,000 | 14,000 | 14,000 | 2857.45 |
| 1980 | 28,000 | 14,000 | 14,000 | 2867.55 |
| 1981 | 28,000 | 14,000 | 14,000 | 2874.00 |
| 1982 | 28,000 | 14,000 | 14,000 | 2876.50 |
| 1983 | 28,000 | 14,000 | 14,000 | 2873.30 |
| 1984 | 28,000 | 14,000 | 14,000 | 2864.30 |
| 1985 | 28,000 | 14,000 | 14,000 | 2851.20 |
| 1986 | 28,000 | 14,000 | 13,000 | 2832.85 |
| 1987 | 28,000 | 14,000 | 13,000 | 2809.60 |
| 1988 | 27,000 | 14,000 | 13,000 | 2783.90 |
| 1989 | 27,000 | 14,000 | 13,000 | 2754.35 |
| 1990 | 27,000 | 13,000 | 13,000 | 2720.00 |
| 1991 | 26,000 | 13,000 | 13,000 | 2689.80 |
| 1992 | 26,000 | 13,000 | 13,000 | 2687.85 |
| 1993 | 27,000 | 13,000 | 13,000 | 2706.95 |
| 1994 | 27,000 | 13,000 | 13,000 | 2723.90 |
| 1995 | 27,000 | 13,000 | 13,000 | 2737.70 |
| 1996 | 27,000 | 13,000 | 13,000 | 2748.70 |
| 1997 | 27,000 | 13,000 | 13,000 | 2758.20 |
| 1998 | 27,000 | 13,000 | 13,000 | 2765.00 |
| 1999 | 27,000 | 13,000 | 13,000 | 2769.20 |
| 2000 | 27,000 | 13,000 | 13,000 | 2770.90 |
| 2001 | 27,000 | 13,000 | 13,000 | 2765.70 |
| 2002 | 27,000 | 13,000 | 13,000 | 2783.10 |
| 2003 | 28,000 | 14,000 | 14,000 | 2827.40 |
| 2004 | 28,000 | 14,000 | 14,000 | 2871.50 |
| 2005 | 29,000 | 14,000 | 14,000 | 2916.35 |
| 2006 | 29,000 | 14,000 | 14,000 | 2959.40 |
| 2007 | 30,000 | 14,000 | 15,000 | 3000.65 |
| 2008 | 30,000 | 15,000 | 15,000 | 3041.25 |
| 2009 | 30,000 | 15,000 | 15,000 | 3082.30 |
| 2010 | 31,000 | 15,000 | 15,000 | 3124.80 |
| 2011 | 31,000 | 15,000 | 15,000 | 3166.00 |
| 2012 | 32,000 | 16,000 | 16,000 | 3202.90 |
| 2013 | 32,000 | 16,000 | 16,000 | 3240.75 |
| 2014 | 32,000 | 16,000 | 16,000 | 3281.30 |
| 2015 | 33,000 | 16,000 | 16,000 | 3319.25 |
| 2016 | 33,000 | 16,000 | 16,000 | 3365.85 |
| 2017 | 34,000 | 17,000 | 17,000 | 3424.45 |
| 2018 | 34,000 | 17,000 | 17,000 | 3485.40 |
| 2019 | 35,000 | 17,000 | 17,000 | 3549.40 |
| 2020 | 36,000 | 18,000 | 18,000 | 3617.30 |
| 2021 | 36,000 | 18,000 | 18,000 | 3685.85 |
| 2022 | 37,000 | 18,000 | 18,000 | 3760.95 |
| 2023 | 38,000 | 19,000 | 19,000 | 3847.05 |
| 2024 | 39,000 | 19,000 | 19,000 | 3932.90 |
| 2025 | 40,000 | 19,000 | 20,000 | 4012.60 |