Quarter	Percent, Seasonally Adjusted
1999-01-01	3.15855935697146
1999-04-01	3.27894219516155
1999-07-01	3.55659396309584
1999-10-01	3.76683535883192
2000-01-01	3.53721170850298
2000-04-01	3.78988165653606
2000-07-01	3.74957043636629
2000-10-01	3.72480634867811
2001-01-01	3.69728767019263
2001-04-01	3.57861852200366
2001-07-01	3.75578888519611
2001-10-01	3.93527511659593
2002-01-01	3.82484482662798
2002-04-01	3.54907700614124
2002-07-01	3.82714253747489
2002-10-01	4.28159236989633
2003-01-01	2.99337055135460
2003-04-01	2.84312754518866
2003-07-01	2.87276560476192
2003-10-01	2.81142979454313
2004-01-01	3.06774361136372
2004-04-01	3.12527393494386
2004-07-01	3.26763886167877
2004-10-01	3.59758012986998
2005-01-01	3.97069364893077
2005-04-01	4.47418136790347
2005-07-01	4.27663660230500
2005-10-01	4.09835900632637
2006-01-01	3.96955898783820
2006-04-01	3.99849155090051
2006-07-01	4.24542105710653
2006-10-01	4.01461026065600
2007-01-01	3.84359563795898
2007-04-01	4.68107714068429
2007-07-01	5.06989678531639
2007-10-01	5.35782515438691
2008-01-01	5.15478278775554
2008-04-01	4.85794677586133
2008-07-01	4.87177608144863
2008-10-01	5.73455595481739
2009-01-01	6.36637372751749
2009-04-01	6.58844828509602
2009-07-01	6.86711720676202
2009-10-01	6.82191494245076
2010-01-01	7.70994541438850
2010-04-01	8.28651283574600
2010-07-01	8.71290839236567
2010-10-01	9.39366071912600
2011-01-01	9.86065511035353
2011-04-01	9.93070259965667
2011-07-01	10.29285280203150
2011-10-01	10.02662440048780
2012-01-01	9.78181251115814
2012-04-01	9.16409347504226
2012-07-01	8.13227374356485
2012-10-01	8.00439098606294
2013-01-01	8.72564489104844
2013-04-01	8.85256061139337
2013-07-01	8.86636358273972
2013-10-01	7.80214389646412
2014-01-01	6.55043723801270
2014-04-01	7.10564461151339
2014-07-01	6.83908508465236
2014-10-01	6.41694007574766
2015-01-01	6.87751651416326
2015-04-01	6.15289745516961
2015-07-01	5.55878967228995
2015-10-01	5.31589970365871
2016-01-01	4.86208843044713
2016-04-01	4.37983539120086
2016-07-01	4.08077817043855
2016-10-01	4.03869877308776
2017-01-01	3.74516702289442
2017-04-01	3.15164780364696
2017-07-01	2.85149550280191
2017-10-01	2.44846236937834
2018-01-01	2.22778187062223
2018-04-01	2.27443924748368