Quarter	Percent, Seasonally Adjusted
1999-01-01	2.88764438221911
1999-04-01	3.45420175287850
1999-07-01	2.92530036566255
1999-10-01	3.17908866125044
2000-01-01	3.31907613344739
2000-04-01	3.15094019989836
2000-07-01	2.97843204382061
2000-10-01	3.27298050139276
2001-01-01	3.02872966424368
2001-04-01	2.59271978021978
2001-07-01	3.48353552859619
2001-10-01	3.40345476312639
2002-01-01	3.53018805674695
2002-04-01	3.44029110155475
2002-07-01	3.72146873966259
2002-10-01	3.83310719131615
2003-01-01	3.49524122087299
2003-04-01	4.29407937540664
2003-07-01	4.14162741594933
2003-10-01	5.18410852713178
2004-01-01	4.63008732904927
2004-04-01	5.62255541069100
2004-07-01	5.88810960691567
2004-10-01	5.80707086866102
2005-01-01	5.59105431309904
2005-04-01	5.85450528641313
2005-07-01	6.53138871274572
2005-10-01	6.43634642688121
2006-01-01	6.60855784469097
2006-04-01	5.96337455000783
2006-07-01	5.92409750077137
2006-10-01	6.75925925925926
2007-01-01	6.33813495072024
2007-04-01	6.79421512503766
2007-07-01	6.20679511692896
2007-10-01	6.71663727219283
2008-01-01	7.20854345891427
2008-04-01	6.93473193473194
2008-07-01	6.04154476301931
2008-10-01	6.17320503330866
2009-01-01	6.74963396778916
2009-04-01	7.38728153913938
2009-07-01	8.60985236076597
2009-10-01	7.80587633386932
2010-01-01	8.65620048970186
2010-04-01	8.75483593638057
2010-07-01	9.02847331520961
2010-10-01	9.10764872521246
2011-01-01	10.11904761904760
2011-04-01	11.63320518297020
2011-07-01	10.68168853394180
2011-10-01	10.91307523739960
2012-01-01	11.63323782234960
2012-04-01	12.65410230976340
2012-07-01	12.49470563320630
2012-10-01	14.15752741774680
2013-01-01	14.14184397163120
2013-04-01	14.30527036276520
2013-07-01	13.21379310344830
2013-10-01	13.16076294277930
2014-01-01	13.66417403127120
2014-04-01	13.28908154971550
2014-07-01	12.57751415475870
2014-10-01	14.40075157696950
2015-01-01	14.08061116965230
2015-04-01	12.03523772509390
2015-07-01	12.01193410299650
2015-10-01	11.72360248447200
2016-01-01	11.70268159333510
2016-04-01	11.29879879879880
2016-07-01	10.05836334285360
2016-10-01	10.84486166007910
2017-01-01	9.99147069574753
2017-04-01	8.23501370516029
2017-07-01	8.19519028718188
2017-10-01	7.80780780780781
2018-01-01	7.61479445780373
2018-04-01	6.47759500850822