| | | | | | | | | | | | | | | | Year | Reporting Status | Population | | 2003 | Reporting | 21,178 | | 2004 | Reporting | 22,194 | | 2005 | Reporting | 22,305 | | 2006 | Reporting | 22,420 | | 2007 | Reporting | 22,607 | | 2008 | Reporting | 22,741 | | 2009 | Reporting | 22,867 | | 2010 | Reporting | 22,842 | | 2011 | Reporting | 21,391 | | 2012 | Reporting | 21,472 |
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