Quarter	Percent, Seasonally Adjusted
1999-01-01	5.64144103619666
1999-04-01	5.67731620534897
1999-07-01	5.58790983083551
1999-10-01	5.56246715152112
2000-01-01	5.13402566499104
2000-04-01	5.29510630466939
2000-07-01	4.92018046179071
2000-10-01	4.65944882275768
2001-01-01	4.55064587162135
2001-04-01	4.48693389307366
2001-07-01	4.50885506882693
2001-10-01	4.48727027916279
2002-01-01	4.61780703646006
2002-04-01	4.68101011828401
2002-07-01	5.01149574018260
2002-10-01	5.15138917180004
2003-01-01	5.20439965696269
2003-04-01	4.93517968321048
2003-07-01	4.93273636964269
2003-10-01	5.05116291058792
2004-01-01	5.18514828251782
2004-04-01	5.45850000534682
2004-07-01	5.79418269489003
2004-10-01	6.06943762806095
2005-01-01	6.52972831866885
2005-04-01	6.89708370641621
2005-07-01	6.81690398238332
2005-10-01	6.89780978508123
2006-01-01	7.16070758071796
2006-04-01	7.31602615029861
2006-07-01	7.54817398291515
2006-10-01	7.39613669295705
2007-01-01	6.98536578720197
2007-04-01	7.06780376005644
2007-07-01	7.35458542374041
2007-10-01	7.76207045091214
2008-01-01	7.51351627667060
2008-04-01	7.27547660263034
2008-07-01	7.28238450266203
2008-10-01	7.46515776816939
2009-01-01	8.32319667610134
2009-04-01	8.76319664486304
2009-07-01	9.43326683385010
2009-10-01	9.65318957640339
2010-01-01	10.04837576497380
2010-04-01	10.08751980343300
2010-07-01	10.21620916786570
2010-10-01	10.15444869618550
2011-01-01	10.48652059296280
2011-04-01	10.68344695521030
2011-07-01	10.53682497614850
2011-10-01	10.07134742394510
2012-01-01	10.23396837670600
2012-04-01	9.68414307571044
2012-07-01	9.27645084998150
2012-10-01	9.64604869912986
2013-01-01	9.37936406584386
2013-04-01	9.47960420770670
2013-07-01	9.17695747377924
2013-10-01	8.57646689472103
2014-01-01	7.36945149754131
2014-04-01	7.58431129336654
2014-07-01	6.87783874185736
2014-10-01	6.77983588907265
2015-01-01	6.91422622500056
2015-04-01	6.76410951604605
2015-07-01	6.42290347245764
2015-10-01	6.12302735489865
2016-01-01	5.26666820908801
2016-04-01	4.46693170462457
2016-07-01	4.49034187182663
2016-10-01	3.94507402669911
2017-01-01	4.06746432119262
2017-04-01	4.12995734785938
2017-07-01	3.87899449434007
2017-10-01	3.98840712111602
2018-01-01	3.82554127783515
2018-04-01	3.44615129548314