Quarter	Percent, Seasonally Adjusted
1999-04-01	6.19352407833934
1999-07-01	5.58098942451352
1999-10-01	5.32057408326764
2000-01-01	4.94720066758530
2000-04-01	4.55420180527448
2000-07-01	4.35320172674286
2000-10-01	4.13961124130689
2001-01-01	3.86012114204698
2001-04-01	3.96930427011299
2001-07-01	4.27209392740765
2001-10-01	4.33796266361304
2002-01-01	4.79210208120789
2002-04-01	4.75069918418724
2002-07-01	4.71275956433898
2002-10-01	5.01293967010164
2003-01-01	5.17632353315727
2003-04-01	5.01635859749489
2003-07-01	5.28552542867094
2003-10-01	5.07631376564711
2004-01-01	4.94478096756065
2004-04-01	5.10892756662654
2004-07-01	4.94670188995088
2004-10-01	4.90447429765529
2005-01-01	4.64997138733196
2005-04-01	4.68356022971805
2005-07-01	4.70090520241224
2005-10-01	4.73352778642895
2006-01-01	4.51202244322997
2006-04-01	4.62398324956870
2006-07-01	4.90356454554088
2006-10-01	4.62742008485099
2007-01-01	5.03505506617979
2007-04-01	5.06095832550080
2007-07-01	4.99337219359228
2007-10-01	5.44868148685262
2008-01-01	6.13895858162958
2008-04-01	6.88422424704230
2008-07-01	8.26484185572308
2008-10-01	9.90487751819568
2009-01-01	13.43484372206010
2009-04-01	15.64090397579360
2009-07-01	16.08035476347380
2009-10-01	16.69628532059490
2010-01-01	17.18658042186920
2010-04-01	17.23558968953250
2010-07-01	17.37975567191630
2010-10-01	18.21326376492460
2011-01-01	18.10623412654440
2011-04-01	17.89396885600590
2011-07-01	18.21413506835560
2011-10-01	18.45309212962560
2012-01-01	18.67272707544230
2012-04-01	18.40880234376950
2012-07-01	18.14429148951190
2012-10-01	17.48872028332860
2013-01-01	16.28048500905100
2013-04-01	15.84464729934520
2013-07-01	14.97854673100480
2013-10-01	13.95895931963850
2014-01-01	14.10686412038480
2014-04-01	13.44796685168420
2014-07-01	12.67914608036300
2014-10-01	12.06560816243220
2015-01-01	11.84467793187510
2015-04-01	10.98507616781290
2015-07-01	10.67728503711900
2015-10-01	10.81995567730530
2016-01-01	10.29326569265740
2016-04-01	9.71011832309414
2016-07-01	9.09434098463774
2016-10-01	8.07379058713064
2017-01-01	7.74842428716651
2017-04-01	7.45097112592566
2017-07-01	7.13187694940827
2017-10-01	6.90217610912755
2018-01-01	6.23726381001356
2018-04-01	6.17302412536661