Quarter	Percent, Seasonally Adjusted
1999-01-01	3.93544607251060
1999-04-01	3.72837508249031
1999-07-01	3.62248062171125
1999-10-01	3.74140008815489
2000-01-01	3.98548954269411
2000-04-01	3.34971377527421
2000-07-01	3.46668947242557
2000-10-01	3.44763384632346
2001-01-01	3.41471868183425
2001-04-01	3.57681776238141
2001-07-01	3.65111480146966
2001-10-01	3.85494495066016
2002-01-01	4.19862237453268
2002-04-01	3.78770314028072
2002-07-01	3.94953905940412
2002-10-01	3.99747232397371
2003-01-01	4.21469148433257
2003-04-01	4.32128459990187
2003-07-01	4.26167430897381
2003-10-01	4.45020000238013
2004-01-01	5.31601079553122
2004-04-01	5.54081481947792
2004-07-01	5.63165552008057
2004-10-01	5.59418166872666
2005-01-01	5.28279282534314
2005-04-01	5.78050814278312
2005-07-01	5.82403113326094
2005-10-01	5.78664754995451
2006-01-01	5.64979903939935
2006-04-01	5.38909704280247
2006-07-01	5.09392400302548
2006-10-01	5.05124792870837
2007-01-01	4.92852866955114
2007-04-01	5.18294081825348
2007-07-01	5.01886162962762
2007-10-01	4.56334739240072
2008-01-01	4.29327795575144
2008-04-01	3.85895242769197
2008-07-01	4.13948181855193
2008-10-01	4.46633297655809
2009-01-01	4.78484321067022
2009-04-01	5.44447707416070
2009-07-01	5.82418760063537
2009-10-01	5.49580482578979
2010-01-01	5.06062331854928
2010-04-01	5.08025430809724
2010-07-01	4.90988637987737
2010-10-01	4.55149443947904
2011-01-01	4.86356393047583
2011-04-01	4.58375796542361
2011-07-01	4.16211517175303
2011-10-01	4.91721262041348
2012-01-01	4.55290036439079
2012-04-01	4.95500357019951
2012-07-01	5.21471895358176
2012-10-01	5.03730061885226
2013-01-01	5.47929540712590
2013-04-01	5.18493697391428
2013-07-01	5.48411121009373
2013-10-01	5.54307922155537
2014-01-01	5.74225981585985
2014-04-01	5.60920360666078
2014-07-01	5.71995711956488
2014-10-01	5.76157480870114
2015-01-01	5.62357259482795
2015-04-01	5.99330605203140
2015-07-01	5.73228588055534
2015-10-01	5.93923565000452
2016-01-01	6.07559816454705
2016-04-01	6.29995432911577
2016-07-01	6.22995806072373
2016-10-01	5.84119195343826
2017-01-01	5.79341274996303
2017-04-01	5.58530259230530
2017-07-01	5.52359842655283
2017-10-01	5.41333885849231
2018-01-01	5.11033134586103
2018-04-01	4.80360713701776