Quarter	Percent, Seasonally Adjusted
1999-04-01	4.52338079729456
1999-07-01	3.98049648359338
1999-10-01	3.45217751069782
2000-01-01	2.52094776735316
2000-04-01	2.45283390126461
2000-07-01	2.42659883849566
2000-10-01	2.34598632761389
2001-01-01	2.89994913894730
2001-04-01	2.65306418690158
2001-07-01	1.79556061232810
2001-10-01	1.95695770400124
2002-01-01	2.46387676105741
2002-04-01	2.20650198588886
2002-07-01	2.15256884538542
2002-10-01	2.91567432986416
2003-01-01	2.34962076865906
2003-04-01	2.11507332334658
2003-07-01	2.23620232669952
2003-10-01	2.21007786164719
2004-01-01	2.34111748797219
2004-04-01	1.54871379830830
2004-07-01	2.50960649186822
2004-10-01	2.18967523377159
2005-01-01	2.79862983708169
2005-04-01	2.54477526508706
2005-07-01	1.98343144260594
2005-10-01	2.40059133695844
2006-01-01	2.65104773582778
2006-04-01	1.98467594142008
2006-07-01	2.83794993565782
2006-10-01	2.21065250968507
2007-01-01	2.64018131797620
2007-04-01	2.58533744090832
2007-07-01	2.44983816762267
2007-10-01	2.58842373324820
2008-01-01	2.35219257496093
2008-04-01	3.05111693064509
2008-07-01	3.72408520145105
2008-10-01	3.41993201878052
2009-01-01	4.78367385333589
2009-04-01	3.88164547793226
2009-07-01	5.70690302952432
2009-10-01	5.35935912402859
2010-01-01	7.08227413719174
2010-04-01	6.27695047736514
2010-07-01	7.00426583901990
2010-10-01	6.49261570252686
2011-01-01	6.13056849306257
2011-04-01	6.69685577006756
2011-07-01	8.71698101772153
2011-10-01	7.11171946127986
2012-01-01	7.38625956420428
2012-04-01	6.48481159995630
2012-07-01	8.45224685907212
2012-10-01	7.73560333851058
2013-01-01	10.70224810541180
2013-04-01	9.85318266362968
2013-07-01	9.07009973372647
2013-10-01	7.53785180603033
2014-01-01	8.85192576301521
2014-04-01	8.03511593799376
2014-07-01	8.01928654978532
2014-10-01	7.77344664900230
2015-01-01	6.21414170091940
2015-04-01	7.41989911357283
2015-07-01	6.68810839222119
2015-10-01	5.22066843711922
2016-01-01	5.54681618783140
2016-04-01	5.41125251274600
2016-07-01	5.21977634039840
2016-10-01	5.40347829390959
2017-01-01	6.27446957098149
2017-04-01	5.49807107098294
2017-07-01	5.34934403810063
2017-10-01	5.43732905676424
2018-01-01	4.33594942766863
2018-04-01	4.02267077168521