Quarter	Percent, Seasonally Adjusted
1999-01-01	6.01011429887951
1999-04-01	6.16101177064695
1999-07-01	6.35268494463197
1999-10-01	6.11724522620965
2000-01-01	5.51862869080878
2000-04-01	5.94551524385686
2000-07-01	5.62248656161951
2000-10-01	5.28329966680003
2001-01-01	4.94484736706960
2001-04-01	4.66075830552870
2001-07-01	4.87027086438467
2001-10-01	5.24804818087073
2002-01-01	5.51956911306538
2002-04-01	5.29049420286530
2002-07-01	5.12849394011395
2002-10-01	5.44287655881666
2003-01-01	5.54717300556097
2003-04-01	5.85239471203346
2003-07-01	5.71120897791559
2003-10-01	5.71044297630468
2004-01-01	5.43090948374207
2004-04-01	5.47248074468379
2004-07-01	5.39389975944961
2004-10-01	5.23862347159785
2005-01-01	5.49532959249187
2005-04-01	5.36947666263255
2005-07-01	5.49524136064170
2005-10-01	6.21880605087733
2006-01-01	5.71412123937826
2006-04-01	5.36858782449756
2006-07-01	5.46283522421237
2006-10-01	5.13730438194823
2007-01-01	5.00454016904240
2007-04-01	4.59490315854424
2007-07-01	4.19514673430149
2007-10-01	4.01866980085831
2008-01-01	4.02778795450614
2008-04-01	3.63161996413385
2008-07-01	3.66010964961541
2008-10-01	3.53959803218742
2009-01-01	4.16573603764165
2009-04-01	5.23785510404898
2009-07-01	5.96802864863320
2009-10-01	6.02138051023970
2010-01-01	6.56622631552874
2010-04-01	6.77370885128190
2010-07-01	7.11807106274821
2010-10-01	7.44907930283288
2011-01-01	7.60534808726475
2011-04-01	7.49906580021610
2011-07-01	7.74352654986778
2011-10-01	8.32256540307538
2012-01-01	7.48946868939139
2012-04-01	7.88672009851887
2012-07-01	8.84523582367090
2012-10-01	8.81032569273415
2013-01-01	9.86635831871893
2013-04-01	9.86282098265612
2013-07-01	9.48072764864794
2013-10-01	9.51668666800879
2014-01-01	9.77746182565178
2014-04-01	9.26887665033183
2014-07-01	9.14222252982943
2014-10-01	9.03042477573625
2015-01-01	8.89304404073738
2015-04-01	9.34295275270599
2015-07-01	8.68844574349282
2015-10-01	7.68795022954461
2016-01-01	8.15800403612666
2016-04-01	7.77356659778032
2016-07-01	7.46813820488826
2016-10-01	7.56476917906512
2017-01-01	7.08088478481226
2017-04-01	6.37167542392262
2017-07-01	6.19605512270068
2017-10-01	5.42898073520686
2018-01-01	5.24387799816456
2018-04-01	5.09098929341332