Quarterly Persons
2005-01-01 17647075
2005-04-01 17466381
2005-07-01 17573791
2005-10-01 17773672
2006-01-01 17859068
2006-04-01 17939231
2006-07-01 18180862
2006-10-01 18232768
2007-01-01 18206618
2007-04-01 18272307
2007-07-01 18264315
2007-10-01 18414350
2008-01-01 18611724
2008-04-01 18783183
2008-07-01 18847848
2008-10-01 18939537
2009-01-01 19183920
2009-04-01 19236883
2009-07-01 19246861
2009-10-01 19280285
2010-01-01 19314651
2010-04-01 19517092
2010-07-01 19502923
2010-10-01 19602283
2011-01-01 19773402
2011-04-01 19874769
2011-07-01 20029288
2011-10-01 19981156
2012-01-01 20068048
2012-04-01 20297335
2012-07-01 20462156
2012-10-01 20360704
2013-01-01 20510080
2013-04-01 20693158
2013-07-01 20601206
2013-10-01 20897017
2014-01-01 20782989
2014-04-01 20762130
2014-07-01 20895004
2014-10-01 20955420
2015-01-01 20987631
2015-04-01 21147487
2015-07-01 21226998
2015-10-01 21468759
2016-01-01 21478538
2016-04-01 21564028
2016-07-01 21623167
2016-10-01 21761969
2017-01-01 21701749
2017-04-01 21687814
2017-07-01 21815370
2017-10-01 21884365
2018-01-01 22018329
2018-04-01 22214048