Quarter	Percent, Seasonally Adjusted
2005-01-01	20.3448327849644
2005-04-01	20.8288918601537
2005-07-01	22.1088551885792
2005-10-01	21.5528802878511
2006-01-01	23.0430464576032
2006-04-01	23.8009461245863
2006-07-01	24.0696299888304
2006-10-01	23.2370430627873
2007-01-01	23.3126722611683
2007-04-01	25.3424508274450
2007-07-01	25.6519699911352
2007-10-01	24.5683026704503
2008-01-01	26.0255197632170
2008-04-01	26.1533504423449
2008-07-01	27.1904296147343
2008-10-01	24.6810036113935
2009-01-01	22.1864112499823
2009-04-01	21.0296356179656
2009-07-01	19.5991265418806
2009-10-01	19.7518730189880
2010-01-01	18.1440560620769
2010-04-01	16.8442787413772
2010-07-01	18.4434186725562
2010-10-01	19.6836045518652
2011-01-01	18.9722134047817
2011-04-01	18.6268978021521
2011-07-01	19.5146028605711
2011-10-01	18.8332195793219
2012-01-01	19.5751198494109
2012-04-01	21.6960137002748
2012-07-01	22.0345828156926
2012-10-01	22.6612925566716
2013-01-01	23.4847688131137
2013-04-01	24.1367008900314
2013-07-01	25.8341197364737
2013-10-01	25.0556876868380
2014-01-01	26.4380301102698
2014-04-01	26.6506760747307
2014-07-01	29.4504607925374
2014-10-01	28.0298864697923
2015-01-01	26.9716797694404
2015-04-01	27.9366371097333
2015-07-01	28.0594927950689
2015-10-01	30.4075324910051
2016-01-01	29.3683366886978
2016-04-01	29.2135778873085
2016-07-01	31.7281879382095
2016-10-01	30.6643306928268
2017-01-01	29.4788191374779
2017-04-01	31.3663587196254
2017-07-01	31.0120995771677
2017-10-01	29.7383931114133
2018-01-01	30.1171727379389
2018-04-01	30.8156119055172