Population history
Population by year
| Year | Total | Male | Female | Density |
|---|---|---|---|---|
| 1950 | 232,000 | 111,000 | 120,000 | 218.93 |
| 1951 | 237,000 | 114,000 | 123,000 | 224.04 |
| 1952 | 242,000 | 116,000 | 125,000 | 229.08 |
| 1953 | 248,000 | 119,000 | 128,000 | 234.59 |
| 1954 | 255,000 | 123,000 | 132,000 | 240.71 |
| 1955 | 261,000 | 126,000 | 134,000 | 246.27 |
| 1956 | 266,000 | 128,000 | 137,000 | 251.17 |
| 1957 | 271,000 | 131,000 | 140,000 | 256.30 |
| 1958 | 277,000 | 133,000 | 143,000 | 261.53 |
| 1959 | 282,000 | 136,000 | 146,000 | 266.88 |
| 1960 | 288,000 | 139,000 | 149,000 | 272.43 |
| 1961 | 294,000 | 142,000 | 152,000 | 277.91 |
| 1962 | 299,000 | 144,000 | 154,000 | 282.79 |
| 1963 | 304,000 | 147,000 | 157,000 | 287.01 |
| 1964 | 308,000 | 149,000 | 159,000 | 290.99 |
| 1965 | 312,000 | 151,000 | 161,000 | 295.06 |
| 1966 | 317,000 | 153,000 | 163,000 | 299.13 |
| 1967 | 320,000 | 155,000 | 165,000 | 302.76 |
| 1968 | 323,000 | 157,000 | 166,000 | 305.22 |
| 1969 | 324,000 | 157,000 | 167,000 | 306.46 |
| 1970 | 325,000 | 157,000 | 167,000 | 307.09 |
| 1971 | 325,000 | 158,000 | 167,000 | 307.53 |
| 1972 | 326,000 | 158,000 | 168,000 | 307.87 |
| 1973 | 326,000 | 158,000 | 168,000 | 307.89 |
| 1974 | 326,000 | 158,000 | 168,000 | 307.90 |
| 1975 | 327,000 | 158,000 | 168,000 | 308.81 |
| 1976 | 328,000 | 159,000 | 169,000 | 310.35 |
| 1977 | 330,000 | 160,000 | 170,000 | 311.57 |
| 1978 | 331,000 | 160,000 | 170,000 | 312.41 |
| 1979 | 331,000 | 160,000 | 170,000 | 313.00 |
| 1980 | 332,000 | 161,000 | 171,000 | 313.48 |
| 1981 | 332,000 | 161,000 | 171,000 | 314.14 |
| 1982 | 335,000 | 162,000 | 172,000 | 316.08 |
| 1983 | 338,000 | 164,000 | 174,000 | 319.49 |
| 1984 | 342,000 | 166,000 | 176,000 | 323.42 |
| 1985 | 347,000 | 168,000 | 178,000 | 327.50 |
| 1986 | 351,000 | 170,000 | 181,000 | 331.68 |
| 1987 | 356,000 | 172,000 | 183,000 | 335.98 |
| 1988 | 360,000 | 174,000 | 185,000 | 340.37 |
| 1989 | 365,000 | 177,000 | 188,000 | 344.87 |
| 1990 | 371,000 | 179,000 | 191,000 | 350.00 |
| 1991 | 377,000 | 182,000 | 195,000 | 355.95 |
| 1992 | 383,000 | 185,000 | 198,000 | 362.20 |
| 1993 | 390,000 | 188,000 | 202,000 | 368.44 |
| 1994 | 397,000 | 191,000 | 205,000 | 374.59 |
| 1995 | 403,000 | 194,000 | 209,000 | 380.66 |
| 1996 | 409,000 | 197,000 | 212,000 | 386.63 |
| 1997 | 416,000 | 199,000 | 216,000 | 392.53 |
| 1998 | 421,000 | 202,000 | 219,000 | 397.94 |
| 1999 | 423,000 | 203,000 | 220,000 | 399.90 |
| 2000 | 421,000 | 201,000 | 219,000 | 397.53 |
| 2001 | 417,000 | 199,000 | 218,000 | 393.53 |
| 2002 | 412,000 | 196,000 | 216,000 | 389.12 |
| 2003 | 408,000 | 193,000 | 215,000 | 385.29 |
| 2004 | 405,000 | 190,000 | 214,000 | 382.17 |
| 2005 | 401,000 | 188,000 | 213,000 | 379.10 |
| 2006 | 400,000 | 187,000 | 213,000 | 377.78 |
| 2007 | 400,000 | 186,000 | 213,000 | 378.12 |
| 2008 | 400,000 | 186,000 | 214,000 | 378.02 |
| 2009 | 399,000 | 185,000 | 213,000 | 376.91 |
| 2010 | 397,000 | 184,000 | 213,000 | 374.89 |
| 2011 | 394,000 | 182,000 | 211,000 | 372.23 |
| 2012 | 391,000 | 181,000 | 210,000 | 369.56 |
| 2013 | 389,000 | 180,000 | 209,000 | 367.42 |
| 2014 | 387,000 | 179,000 | 207,000 | 365.11 |
| 2015 | 383,000 | 177,000 | 205,000 | 362.01 |
| 2016 | 378,000 | 175,000 | 203,000 | 357.44 |
| 2017 | 371,000 | 171,000 | 200,000 | 350.47 |
| 2018 | 364,000 | 167,000 | 196,000 | 343.48 |
| 2019 | 359,000 | 164,000 | 194,000 | 339.26 |
| 2020 | 356,000 | 162,000 | 193,000 | 336.43 |
| 2021 | 353,000 | 161,000 | 192,000 | 333.28 |
| 2022 | 349,000 | 159,000 | 190,000 | 329.68 |
| 2023 | 346,000 | 157,000 | 188,000 | 326.42 |
| 2024 | 343,000 | 155,000 | 187,000 | 323.77 |
| 2025 | 340,000 | 154,000 | 186,000 | 321.17 |