Quarter	Persons
1986-01-01	1800
1986-04-01	1900
1986-07-01	2400
1986-10-01	2900
1987-01-01	2900
1987-04-01	2400
1987-07-01	3100
1987-10-01	2500
1988-01-01	2900
1988-04-01	3200
1988-07-01	3900
1988-10-01	4900
1989-01-01	5300
1989-04-01	5000
1989-07-01	4000
1989-10-01	5000
1990-01-01	5000
1990-04-01	6000
1990-07-01	5800
1990-10-01	7000
1991-01-01	6500
1991-04-01	7000
1991-07-01	7400
1991-10-01	7000
1992-01-01	8000
1992-04-01	9000
1992-07-01	8700
1992-10-01	9500
1993-01-01	7900
1993-04-01	7000
1993-07-01	7800
1993-10-01	8000
1994-01-01	8100
1994-04-01	6800
1994-07-01	6400
1994-10-01	6400
1995-01-01	5500
1995-04-01	5100
1995-07-01	4700
1995-10-01	5300
1996-01-01	5600
1996-04-01	6200
1996-07-01	6900
1996-10-01	6100
1997-01-01	7600
1997-04-01	7900
1997-07-01	6200
1997-10-01	7000
1998-01-01	7500
1998-04-01	8100
1998-07-01	9500
1998-10-01	9700
1999-01-01	11200
1999-04-01	7700
1999-07-01	12200
1999-10-01	8600
2000-01-01	9400
2000-04-01	9400
2000-07-01	10400
2000-10-01	9000
2001-01-01	7700
2001-04-01	7800
2001-07-01	9800
2001-10-01	6600
2002-01-01	8800
2002-04-01	7700
2002-07-01	7200
2002-10-01	7800
2003-01-01	10100
2003-04-01	10300
2003-07-01	7600
2003-10-01	9200
2004-01-01	8700
2004-04-01	6800
2004-07-01	6800
2004-10-01	5100
2005-01-01	5500
2005-04-01	6800
2005-07-01	5700
2005-10-01	4300
2006-01-01	8500
2006-04-01	6800
2006-07-01	6100
2006-10-01	3200
2007-01-01	5700
2007-04-01	5000
2007-07-01	3800
2007-10-01	4000
2008-01-01	6800
2008-04-01	5700
2008-07-01	7200
2008-10-01	6700
2009-01-01	9900
2009-04-01	10300
2009-07-01	11600
2009-10-01	11500
2010-01-01	9700
2010-04-01	12800
2010-07-01	13400
2010-10-01	12100
2011-01-01	11000
2011-04-01	12000
2011-07-01	10200
2011-10-01	12000
2012-01-01	12900
2012-04-01	13300
2012-07-01	16700
2012-10-01	15300
2013-01-01	14500
2013-04-01	14400
2013-07-01	15400
2013-10-01	13000
2014-01-01	14000
2014-04-01	12800
2014-07-01	10400
2014-10-01	11400
2015-01-01	15700
2015-04-01	12800
2015-07-01	14700
2015-10-01	12100
2016-01-01	14100
2016-04-01	14700
2016-07-01	14700
2016-10-01	11000
2017-01-01	13600
2017-04-01	12900
2017-07-01	13100
2017-10-01	11600
2018-01-01	12900
2018-04-01	11800
2018-07-01	9700