Quarter	Percent, Seasonally Adjusted
2000-01-01	19.8490212529947
2000-04-01	19.7883277178360
2000-07-01	19.7227984171914
2000-10-01	19.9204684429878
2001-01-01	20.0315712559925
2001-04-01	19.9247784468780
2001-07-01	20.0645711202754
2001-10-01	19.9556390706994
2002-01-01	19.7880419001872
2002-04-01	19.7553161767124
2002-07-01	20.2548475783348
2002-10-01	20.7147966281809
2003-01-01	21.0192911706973
2003-04-01	21.3651258703160
2003-07-01	21.3800589530218
2003-10-01	21.4489482744492
2004-01-01	21.6794526749811
2004-04-01	21.5762460671908
2004-07-01	21.4058102302683
2004-10-01	21.5483768557170
2005-01-01	21.8873441322761
2005-04-01	21.9536357416278
2005-07-01	21.5627837832551
2005-10-01	21.3830527932430
2006-01-01	21.6802672789431
2006-04-01	21.9037438771443
2006-07-01	22.0125996096494
2006-10-01	22.2347018201533
2007-01-01	21.6748625626157
2007-04-01	21.5138322678704
2007-07-01	21.2116341284412
2007-10-01	20.4354104471296
2008-01-01	19.9816669858774
2008-04-01	19.8264812927498
2008-07-01	19.8750506440160
2008-10-01	20.1788478476800
2009-01-01	20.3986748175105
2009-04-01	20.6771556492852
2009-07-01	21.5991876087244
2009-10-01	21.7285414760587
2010-01-01	21.6282579212407
2010-04-01	21.6603303778731
2010-07-01	22.1901382117502
2010-10-01	22.0427149526521
2011-01-01	22.3056377612725
2011-04-01	22.3650196667429
2011-07-01	22.0584449121604
2011-10-01	21.8851796565778
2012-01-01	21.7296281459687
2012-04-01	21.6221782363561
2012-07-01	21.8401956591915
2012-10-01	21.8107469423591
2013-01-01	21.7897037051160
2013-04-01	21.9194424724856
2013-07-01	21.7896954759565
2013-10-01	21.8738184606437
2014-01-01	22.1526610912057
2014-04-01	22.0335198496739
2014-07-01	22.0077410947108
2014-10-01	21.7435633404687
2015-01-01	21.8850685510177
2015-04-01	21.6526905382426
2015-07-01	21.6553870533818
2015-10-01	21.8347194003678
2016-01-01	21.5836730170950
2016-04-01	22.1143871951697
2016-07-01	21.8530769988422
2016-10-01	22.2600689303965
2017-01-01	22.6112765762351
2017-04-01	22.6661729125074
2017-07-01	22.8300638704066
2017-10-01	22.6351382982093
2018-01-01	22.4420946614676
2018-04-01	22.2525224384316