Quarter	Percent, Seasonally Adjusted
1999-01-01	3.72954070313565
1999-04-01	3.65461387694860
1999-07-01	3.56224074019173
1999-10-01	3.66694210346123
2000-01-01	3.89927576124069
2000-04-01	2.89016689632376
2000-07-01	3.15526214662980
2000-10-01	3.24540993635741
2001-01-01	3.17336639488648
2001-04-01	3.33628705697466
2001-07-01	3.41961943578227
2001-10-01	3.79276465382171
2002-01-01	4.19012735246144
2002-04-01	3.87183813850920
2002-07-01	3.94021485194293
2002-10-01	4.05249862286814
2003-01-01	4.28454584008110
2003-04-01	4.14716969576104
2003-07-01	4.39436613928844
2003-10-01	4.55725153427077
2004-01-01	4.94481652879544
2004-04-01	5.20501250454197
2004-07-01	5.22594778926684
2004-10-01	5.21383080240947
2005-01-01	4.94137644005878
2005-04-01	5.58473971585847
2005-07-01	5.58055374396050
2005-10-01	5.66267866903768
2006-01-01	5.41783699980841
2006-04-01	5.04767094002541
2006-07-01	4.77651016958759
2006-10-01	4.56689542776489
2007-01-01	4.46429879938726
2007-04-01	4.65145495137126
2007-07-01	4.63039871736677
2007-10-01	4.27280605410539
2008-01-01	4.05754591497542
2008-04-01	3.53819247609979
2008-07-01	3.86807623131516
2008-10-01	4.14735147259972
2009-01-01	4.65962885079944
2009-04-01	5.57558088673241
2009-07-01	5.91316274235929
2009-10-01	5.89797826754770
2010-01-01	5.34841100440740
2010-04-01	5.15048910360944
2010-07-01	5.03457718381992
2010-10-01	4.48847741545953
2011-01-01	4.83785138187123
2011-04-01	4.64548307031771
2011-07-01	4.12834929439278
2011-10-01	4.63521969762511
2012-01-01	4.21913564008767
2012-04-01	5.02142682519317
2012-07-01	5.26618472730309
2012-10-01	5.29217051617025
2013-01-01	5.62665896296079
2013-04-01	5.15529246073090
2013-07-01	5.39350171441791
2013-10-01	5.39180328522409
2014-01-01	5.71153713772465
2014-04-01	5.77903085823612
2014-07-01	5.86457613797713
2014-10-01	6.07161391205422
2015-01-01	5.86981554691125
2015-04-01	6.21740014779619
2015-07-01	6.11129404471806
2015-10-01	6.26038049529652
2016-01-01	6.43250321021044
2016-04-01	6.67489844921688
2016-07-01	6.50614269980299
2016-10-01	6.22279157897441
2017-01-01	6.24633782452956
2017-04-01	5.87393024363639
2017-07-01	5.91611323980844
2017-10-01	5.71018255538277
2018-01-01	5.33424801752577
2018-04-01	4.94099359619629