Quarter	Percent, Seasonally Adjusted
1999-01-01	3.76515836528416
1999-04-01	3.67618136743929
1999-07-01	3.57474736407347
1999-10-01	3.68910394299420
2000-01-01	3.93980841454076
2000-04-01	2.91223614748929
2000-07-01	3.17332389738757
2000-10-01	3.27048305154177
2001-01-01	3.20697613374341
2001-04-01	3.36945041122205
2001-07-01	3.44194520611154
2001-10-01	3.82910826368513
2002-01-01	4.22745172757092
2002-04-01	3.89894828103579
2002-07-01	3.95902184120030
2002-10-01	4.07936005075314
2003-01-01	4.31627491307695
2003-04-01	4.17392795146453
2003-07-01	4.42046864496102
2003-10-01	4.58803611930598
2004-01-01	4.97628620216723
2004-04-01	5.23565716467164
2004-07-01	5.25060637677862
2004-10-01	5.24752762936310
2005-01-01	4.98458256700159
2005-04-01	5.62735894051892
2005-07-01	5.63824555640945
2005-10-01	5.71265561907424
2006-01-01	5.47291403325276
2006-04-01	5.09869018442934
2006-07-01	4.81667002887398
2006-10-01	4.60433861686524
2007-01-01	4.51348141070867
2007-04-01	4.70251191308028
2007-07-01	4.68978189873172
2007-10-01	4.32321558547719
2008-01-01	4.08941847599415
2008-04-01	3.59097998618536
2008-07-01	3.93281277959007
2008-10-01	4.20718099522268
2009-01-01	4.73147609638011
2009-04-01	5.65297658622784
2009-07-01	5.98493806894321
2009-10-01	5.99402803126752
2010-01-01	5.42585430497560
2010-04-01	5.23939274636124
2010-07-01	5.11415045172108
2010-10-01	4.53560654756805
2011-01-01	4.90786283911408
2011-04-01	4.70785772600741
2011-07-01	4.19420974882570
2011-10-01	4.70187092547968
2012-01-01	4.28318596238211
2012-04-01	5.08414432985383
2012-07-01	5.33763002182276
2012-10-01	5.37350409024237
2013-01-01	5.71342209022358
2013-04-01	5.23407018030082
2013-07-01	5.48677378160766
2013-10-01	5.48299163953126
2014-01-01	5.78486244585329
2014-04-01	5.85762738282109
2014-07-01	5.96547223814262
2014-10-01	6.13857534075259
2015-01-01	5.95961130530230
2015-04-01	6.31165216683540
2015-07-01	6.22251110574441
2015-10-01	6.36601608414683
2016-01-01	6.52427889030972
2016-04-01	6.77421907175579
2016-07-01	6.59712780100596
2016-10-01	6.31714056035666
2017-01-01	6.30607602922877
2017-04-01	5.95430801802400
2017-07-01	5.98427656425646
2017-10-01	5.76152421575927
2018-01-01	5.41270728918440
2018-04-01	4.98570011346641