| | | | | | | | | | | | | | | | Year | Reporting Status | Population | | 2003 | Reporting | 17,460 | | 2004 | Reporting | 17,585 | | 2005 | Reporting | 17,648 | | 2006 | Reporting | 18,423 | | 2007 | Reporting | 18,611 | | 2008 | Reporting | 19,178 | | 2009 | Reporting | 19,479 | | 2010 | Reporting | 19,891 | | 2011 | Reporting | 19,665 | | 2012 | Reporting | 19,905 |
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