Quarter	Percent, Seasonally Adjusted
1999-01-01	4.12411512476451
1999-04-01	3.77718605013655
1999-07-01	3.66981439428948
1999-10-01	3.78995883130328
2000-01-01	4.02265762978773
2000-04-01	3.88998039342858
2000-07-01	3.82323510635841
2000-10-01	3.65322552339816
2001-01-01	3.66671730487049
2001-04-01	3.81222352384519
2001-07-01	3.88854210825246
2001-10-01	3.86648123690011
2002-01-01	4.13270356525412
2002-04-01	3.63218547084453
2002-07-01	3.91776152729296
2002-10-01	3.87964467527201
2003-01-01	4.07918589845270
2003-04-01	4.49328051648389
2003-07-01	4.04933570870172
2003-10-01	4.26775907898959
2004-01-01	5.70975496171733
2004-04-01	5.88400846120840
2004-07-01	6.06929938462352
2004-10-01	5.99057039231801
2005-01-01	5.62126505951367
2005-04-01	5.95730646614133
2005-07-01	6.02853151620568
2005-10-01	5.84678921305053
2006-01-01	5.82067059437337
2006-04-01	5.68869879291927
2006-07-01	5.39156071151352
2006-10-01	5.53984296773422
2007-01-01	5.38015395462426
2007-04-01	5.70159735816446
2007-07-01	5.36800071700874
2007-10-01	4.79115852849486
2008-01-01	4.49413949167856
2008-04-01	4.12994546415739
2008-07-01	4.33145666744886
2008-10-01	4.71701013832543
2009-01-01	4.80002756764292
2009-04-01	5.14746278744762
2009-07-01	5.56987926981340
2009-10-01	4.86481084969240
2010-01-01	4.58464865487542
2010-04-01	4.84636018400478
2010-07-01	4.61594982564093
2010-10-01	4.51457335552121
2011-01-01	4.76650388808848
2011-04-01	4.39325047397551
2011-07-01	4.09728603181972
2011-10-01	5.12076327498364
2012-01-01	4.80313120626437
2012-04-01	4.76591774540824
2012-07-01	5.02132078817506
2012-10-01	4.59938477876391
2013-01-01	5.15969068861658
2013-04-01	5.07158442860066
2013-07-01	5.41572112946941
2013-10-01	5.56755375572737
2014-01-01	5.63339317792290
2014-04-01	5.28976624492016
2014-07-01	5.37430892816086
2014-10-01	5.27000353543639
2015-01-01	5.18271099532654
2015-04-01	5.56026583140704
2015-07-01	5.14199499008150
2015-10-01	5.39545852227348
2016-01-01	5.50879385066298
2016-04-01	5.70928744211854
2016-07-01	5.75686950195690
2016-10-01	5.24914729554793
2017-01-01	5.15463913854532
2017-04-01	5.11080308716663
2017-07-01	4.94536507688615
2017-10-01	4.97042244487789
2018-01-01	4.72844992505491
2018-04-01	4.55016850432265