Quarter	Percent, Seasonally Adjusted
1999-01-01	3.90088355890258
1999-04-01	3.70804354531327
1999-07-01	3.60938738254988
1999-10-01	3.72072585397522
2000-01-01	3.95298028773482
2000-04-01	3.32708056925250
2000-07-01	3.44869995821600
2000-10-01	3.42462861277871
2001-01-01	3.38957387671445
2001-04-01	3.54691848225852
2001-07-01	3.62696783306484
2001-10-01	3.82548235221624
2002-01-01	4.16445657288777
2002-04-01	3.76436313352346
2002-07-01	3.93008642695562
2002-10-01	3.97473029906991
2003-01-01	4.19330537934524
2003-04-01	4.30271455060383
2003-07-01	4.23917924442573
2003-10-01	4.42775913325315
2004-01-01	5.29090864988491
2004-04-01	5.51155955203453
2004-07-01	5.60778633420314
2004-10-01	5.56686127474294
2005-01-01	5.25135928322379
2005-04-01	5.75434280042360
2005-07-01	5.78437035972538
2005-10-01	5.74642353585370
2006-01-01	5.60157653365633
2006-04-01	5.34056326515464
2006-07-01	5.05708135174611
2006-10-01	5.01293904343732
2007-01-01	4.88327860713528
2007-04-01	5.13116256886252
2007-07-01	4.96766187517115
2007-10-01	4.51109009846166
2008-01-01	4.25770122038388
2008-04-01	3.80959525036060
2008-07-01	4.08141544725352
2008-10-01	4.41113439171697
2009-01-01	4.72477789598650
2009-04-01	5.37661657437760
2009-07-01	5.75373488464598
2009-10-01	5.42027966196764
2010-01-01	4.99365495061518
2010-04-01	5.00910714884274
2010-07-01	4.84026457423272
2010-10-01	4.50062397319892
2011-01-01	4.80455410434418
2011-04-01	4.52794163738475
2011-07-01	4.11385395470972
2011-10-01	4.86241243762635
2012-01-01	4.49322694310290
2012-04-01	4.90207830270796
2012-07-01	5.15149205782343
2012-10-01	4.96750393217854
2013-01-01	5.40807334558406
2013-04-01	5.11606329431379
2013-07-01	5.40394519995817
2013-10-01	5.47442831934230
2014-01-01	5.67466652302336
2014-04-01	5.54818576119290
2014-07-01	5.63468310242479
2014-10-01	5.69474340891309
2015-01-01	5.54787692282600
2015-04-01	5.90833521100018
2015-07-01	5.65586642730032
2015-10-01	5.85385111676657
2016-01-01	5.99913315930814
2016-04-01	6.22247712241377
2016-07-01	6.15499112788767
2016-10-01	5.76596825707400
2017-01-01	5.73379949212853
2017-04-01	5.51562142612956
2017-07-01	5.46126159240162
2017-10-01	5.36346535046852
2018-01-01	5.05116602765977
2018-04-01	4.75842944920682