| 1860-1870 | 1,139 |
| 1870-1880 | 2,538 |
| 1880-1890 | 3,398 |
| 1890-1900 | 4,258 |
| 1900-1910 | 14,094 |
| 1910-1920 | 17,679 |
| 1920-1930 | 26,266 |
| 1930-1940 | 32,398 |
| 1940-1950 | 43,140 |
| 1950-1960 | 49,142 |
| 1960-1970 | 68,725 |
| 1971 | 72,445 |
| 1972 | 74,600 |
| 1973 | 75,900 |
| 1974 | 76,500 |
| 1975 | 76,300 |
| 1976 | 80,000 |
| 1977 | 83,170 |
| 1978 | 83,900 |
| 1979 | 86,900 |
| 1980 | 89,233 |
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| 1981 | 92,300 |
| 1982 | 91,400 |
| 1983 | 90,720 |
| 1984 | 92,680 |
| 1985 | 94,600 |
| 1986 | 93,422 |
| 1987 | 95,375 |
| 1988 | 96,830 |
| 1989 | 99,860 |
| 1990 | 107,793 |
| 1991 | 110,360 |
| 1992 | 111,575 |
| 1993 | 113,325 |
| 1994 | 116,950 |
| 1995 | 118,355 |
| 1996 | 120,835 |
| 1997 | 124,190 |
| 1998 | 126,635 |
| 1999 | 128,595 |
| 2000 | 136,924 |
| 2001 | 139,320 |
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| 2002 | 141,150 |
| 2003 | 142,940 |
| 2004 | 143,700 |
| 2005 | 147,250 |
| 2006 | 150,252 |
| 2007 | 152,290 |
| 2008 | 154,510 |
| 2009 | 156,955 |
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