Quarter	Persons
1999-01-01	16900
1999-04-01	16500
1999-07-01	13000
1999-10-01	14200
2000-01-01	14200
2000-04-01	16400
2000-07-01	16200
2000-10-01	16500
2001-01-01	17600
2001-04-01	16700
2001-07-01	18700
2001-10-01	19200
2002-01-01	17400
2002-04-01	17000
2002-07-01	16200
2002-10-01	14100
2003-01-01	16600
2003-04-01	17100
2003-07-01	15600
2003-10-01	19000
2004-01-01	18500
2004-04-01	22600
2004-07-01	22900
2004-10-01	19200
2005-01-01	17900
2005-04-01	22000
2005-07-01	22100
2005-10-01	22400
2006-01-01	23000
2006-04-01	26000
2006-07-01	27000
2006-10-01	24900
2007-01-01	25600
2007-04-01	30200
2007-07-01	31300
2007-10-01	27500
2008-01-01	25600
2008-04-01	28300
2008-07-01	29100
2008-10-01	29200
2009-01-01	27900
2009-04-01	31700
2009-07-01	35000
2009-10-01	32900
2010-01-01	31500
2010-04-01	35100
2010-07-01	33100
2010-10-01	36100
2011-01-01	29500
2011-04-01	33500
2011-07-01	35200
2011-10-01	33400
2012-01-01	36100
2012-04-01	38600
2012-07-01	39300
2012-10-01	39800
2013-01-01	37000
2013-04-01	41600
2013-07-01	40200
2013-10-01	39000
2014-01-01	43200
2014-04-01	47700
2014-07-01	47400
2014-10-01	44600
2015-01-01	45400
2015-04-01	48600
2015-07-01	49900
2015-10-01	48500
2016-01-01	52000
2016-04-01	50800
2016-07-01	48700
2016-10-01	52600
2017-01-01	55600
2017-04-01	59400
2017-07-01	58200
2017-10-01	60300
2018-01-01	62500
2018-04-01	67900