Quarter	Percent, Seasonally Adjusted
1993-01-01	22.9617304492512
1993-04-01	21.2951432129514
1993-07-01	21.0372534696859
1993-10-01	19.2563817980022
1994-01-01	19.0714850962807
1994-04-01	19.8945349952061
1994-07-01	21.8388030888031
1994-10-01	19.4253338729259
1995-01-01	15.8505698607007
1995-04-01	18.4024460156698
1995-07-01	17.7069066718842
1995-10-01	17.2761664564943
1996-01-01	16.9230769230769
1996-04-01	17.0628714419769
1996-07-01	16.8286219081272
1996-10-01	17.0173944775575
1997-01-01	14.0489642184557
1997-04-01	16.8960244648318
1997-07-01	18.4431840406806
1997-10-01	16.8785547005688
1998-01-01	17.6476181420557
1998-04-01	16.2860576923077
1998-07-01	19.4874060980999
1998-10-01	21.5346983149121
1999-01-01	20.6501581760663
1999-04-01	20.5116147841625
1999-07-01	21.3937347589570
1999-10-01	20.3224750368309
2000-01-01	24.6983837923970
2000-04-01	21.3009028929427
2000-07-01	21.4938385447229
2000-10-01	22.0375071656703
2001-01-01	21.4667403722130
2001-04-01	21.3712787289835
2001-07-01	22.1089738677293
2001-10-01	21.7671487899184
2002-01-01	19.7865099009901
2002-04-01	22.0798193771167
2002-07-01	20.9125209614310
2002-10-01	21.3718025779737
2003-01-01	18.3723711050151
2003-04-01	18.7599950793456
2003-07-01	19.9603793972866
2003-10-01	19.7500281499831
2004-01-01	20.8886758866219
2004-04-01	18.1392203275204
2004-07-01	18.6762911752745
2004-10-01	17.6366078779737
2005-01-01	19.7644250726442
2005-04-01	19.5963030778621
2005-07-01	18.8841027308192
2005-10-01	19.6119481102097
2006-01-01	16.5430645477732
2006-04-01	16.2933538071235
2006-07-01	18.5524372230428
2006-10-01	16.8349656305128
2007-01-01	15.3603508877340
2007-04-01	15.2892227055359
2007-07-01	16.9132435187481
2007-10-01	16.9688731820035
2008-01-01	15.7873423579776
2008-04-01	16.2376567180739
2008-07-01	17.8238929217152
2008-10-01	19.8156395004827
2009-01-01	19.9049031582621
2009-04-01	18.7666294738649
2009-07-01	20.5918883035676
2009-10-01	21.3190248848705
2010-01-01	19.7085329219778
2010-04-01	18.4405814780929
2010-07-01	17.7669243458292
2010-10-01	18.3914254847330
2011-01-01	15.9551566999357
2011-04-01	16.9573181441799
2011-07-01	17.4812955306163
2011-10-01	19.3300507311250
2012-01-01	18.0994310136196
2012-04-01	17.3167396695173
2012-07-01	17.7954585305979
2012-10-01	19.1561067673227
2013-01-01	19.0741597098839
2013-04-01	19.6213158941275
2013-07-01	21.0929303301560
2013-10-01	21.0690525349851
2014-01-01	20.4384573498426
2014-04-01	19.9924707132892
2014-07-01	20.6018568850427
2014-10-01	21.5142729705620
2015-01-01	20.1510909441977
2015-04-01	21.0052636525989
2015-07-01	20.9890340155060
2015-10-01	21.5148338878002
2016-01-01	20.4821559665617
2016-04-01	21.5120993555546
2016-07-01	21.7702657622595
2016-10-01	21.9013593218189
2017-01-01	21.1633940152972
2017-04-01	21.4796115714257
2017-07-01	22.2795330674296
2017-10-01	21.8970938733001
2018-01-01	21.4529345701094
2018-04-01	21.8404954451620