Quarter	Percent, Seasonally Adjusted
1999-01-01	5.59984313109428
1999-04-01	4.89978556999678
1999-07-01	4.96394818356716
1999-10-01	5.21745610020490
2000-01-01	4.37772422052423
2000-04-01	4.55249623038194
2000-07-01	4.32155408016361
2000-10-01	4.22831412317305
2001-01-01	4.61471502954302
2001-04-01	4.00523597595578
2001-07-01	4.36410711796780
2001-10-01	3.95721514787876
2002-01-01	4.07643565495255
2002-04-01	4.57656309637092
2002-07-01	3.95836730523213
2002-10-01	4.16380453458498
2003-01-01	4.30662840695744
2003-04-01	4.17505135963462
2003-07-01	5.40648587993659
2003-10-01	5.52631990153930
2004-01-01	5.80096418001683
2004-04-01	5.70086371205009
2004-07-01	5.22853112963171
2004-10-01	5.62029572347879
2005-01-01	5.81577717469434
2005-04-01	5.05398458797092
2005-07-01	5.59933844964805
2005-10-01	4.19672134704378
2006-01-01	4.48161903765682
2006-04-01	3.69302744641383
2006-07-01	3.63230049835215
2006-10-01	3.73371896511768
2007-01-01	3.55767459138972
2007-04-01	3.77422423334384
2007-07-01	3.39218992824905
2007-10-01	2.93577050254157
2008-01-01	2.92099274145401
2008-04-01	2.28363229245591
2008-07-01	2.64670938177771
2008-10-01	2.60256225963145
2009-01-01	3.52593317654299
2009-04-01	3.76835592091715
2009-07-01	4.24319205049702
2009-10-01	4.92985058619874
2010-01-01	5.12116408856586
2010-04-01	5.65140444612688
2010-07-01	5.45624909117986
2010-10-01	5.56368707090223
2011-01-01	6.00865468603358
2011-04-01	5.53196554038955
2011-07-01	5.80319489125674
2011-10-01	5.64110597667940
2012-01-01	5.60906575405612
2012-04-01	5.38144292812570
2012-07-01	5.77026780678668
2012-10-01	5.19132141054662
2013-01-01	5.65110259948159
2013-04-01	5.15406563614715
2013-07-01	5.20568669556337
2013-10-01	4.54429928383547
2014-01-01	5.01730873035782
2014-04-01	4.76734451655541
2014-07-01	4.73805774589094
2014-10-01	4.69938491940144
2015-01-01	4.63347886275368
2015-04-01	4.05339610867123
2015-07-01	4.57746581484098
2015-10-01	4.23164593271526
2016-01-01	4.72609598569709
2016-04-01	3.96722266907115
2016-07-01	4.00307535063419
2016-10-01	3.41898291849298
2017-01-01	3.85012406403966
2017-04-01	3.57338885524770
2017-07-01	3.56639151424679
2017-10-01	3.88329420232084
2018-01-01	3.67189811458970
2018-04-01	3.73025529470645