Quarter	Persons
1998-01-01	38200
1998-04-01	32900
1998-07-01	30300
1998-10-01	33400
1999-01-01	33400
1999-04-01	29500
1999-07-01	25700
1999-10-01	26300
2000-01-01	30800
2000-04-01	20300
2000-07-01	26100
2000-10-01	24400
2001-01-01	24300
2001-04-01	24600
2001-07-01	29900
2001-10-01	32400
2002-01-01	34200
2002-04-01	34100
2002-07-01	40900
2002-10-01	38100
2003-01-01	39900
2003-04-01	35600
2003-07-01	44400
2003-10-01	47900
2004-01-01	45000
2004-04-01	39700
2004-07-01	44700
2004-10-01	42700
2005-01-01	39900
2005-04-01	41800
2005-07-01	41100
2005-10-01	43900
2006-01-01	41900
2006-04-01	42200
2006-07-01	43900
2006-10-01	44900
2007-01-01	46400
2007-04-01	33800
2007-07-01	37200
2007-10-01	36500
2008-01-01	37000
2008-04-01	31700
2008-07-01	35800
2008-10-01	40200
2009-01-01	46800
2009-04-01	46300
2009-07-01	39700
2009-10-01	50400
2010-01-01	51600
2010-04-01	46700
2010-07-01	49400
2010-10-01	45300
2011-01-01	61700
2011-04-01	61400
2011-07-01	68900
2011-10-01	79900
2012-01-01	80200
2012-04-01	77500
2012-07-01	89500
2012-10-01	82900
2013-01-01	83000
2013-04-01	69900
2013-07-01	79700
2013-10-01	67500
2014-01-01	72000
2014-04-01	67700
2014-07-01	61600
2014-10-01	62900
2015-01-01	56300
2015-04-01	51100
2015-07-01	55200
2015-10-01	63800
2016-01-01	57000
2016-04-01	49600
2016-07-01	50900
2016-10-01	55500
2017-01-01	47000
2017-04-01	43300
2017-07-01	43700
2017-10-01	43100
2018-01-01	46700
2018-04-01	33900