Year	Persons
2000-01-01	30596900
2001-01-01	30786700
2002-01-01	31040350
2003-01-01	30952275
2004-01-01	31122725
2005-01-01	31257750
2006-01-01	31365175
2007-01-01	31392050
2008-01-01	31372425
2009-01-01	31460375
2010-01-01	30955025
2011-01-01	31002525
2012-01-01	31037675
2013-01-01	31036350
2014-01-01	30984325
2015-01-01	30962100
2016-01-01	30702750
2017-01-01	30594450