Quarter	Percent, Seasonally Adjusted
1999-01-01	7.01889622321270
1999-04-01	6.70954961399394
1999-07-01	6.71136082212932
1999-10-01	6.42587041956148
2000-01-01	6.36753588895576
2000-04-01	6.32708166017060
2000-07-01	6.09845057744038
2000-10-01	5.99871519849049
2001-01-01	5.81385885612136
2001-04-01	5.78764523873831
2001-07-01	5.62284464910404
2001-10-01	5.63154961005181
2002-01-01	5.36637320854403
2002-04-01	5.45442852816750
2002-07-01	5.43703853728714
2002-10-01	5.54851468612763
2003-01-01	5.71385855293828
2003-04-01	5.60809567344299
2003-07-01	5.55064276025367
2003-10-01	5.28544214068900
2004-01-01	5.32832968792314
2004-04-01	5.22995311050223
2004-07-01	5.25871500997064
2004-10-01	5.35307695476114
2005-01-01	5.53064698994946
2005-04-01	5.89436984058266
2005-07-01	6.27340858172385
2005-10-01	6.45816963033296
2006-01-01	6.49715660660768
2006-04-01	6.35712492609257
2006-07-01	6.35252712037935
2006-10-01	6.37578143784025
2007-01-01	6.37774648206441
2007-04-01	6.35798150986590
2007-07-01	6.39793288512221
2007-10-01	6.76388161768256
2008-01-01	6.37143732630868
2008-04-01	6.85804923423896
2008-07-01	7.04180322655072
2008-10-01	7.56589497738226
2009-01-01	8.38365215610686
2009-04-01	8.86141894276079
2009-07-01	9.84339787501538
2009-10-01	9.82315285506894
2010-01-01	10.72272624646690
2010-04-01	10.92655857874440
2010-07-01	10.54635222294520
2010-10-01	10.47764647767500
2011-01-01	10.08965780380740
2011-04-01	9.82822072606143
2011-07-01	9.88071578137776
2011-10-01	9.88331833376708
2012-01-01	10.16610012756930
2012-04-01	10.43961596322530
2012-07-01	10.19276979556160
2012-10-01	10.20577532840560
2013-01-01	10.24244177688910
2013-04-01	9.09156491605964
2013-07-01	8.83016579724560
2013-10-01	8.09684567972208
2014-01-01	6.54437506276262
2014-04-01	6.99504520455861
2014-07-01	6.23558458985442
2014-10-01	6.25005984204808
2015-01-01	6.03805491202682
2015-04-01	5.57623863554145
2015-07-01	5.40094128042596
2015-10-01	5.30022122283938
2016-01-01	4.91521261704596
2016-04-01	4.67898389433845
2016-07-01	4.45973831314684
2016-10-01	4.01941508395676
2017-01-01	3.66870398726920
2017-04-01	3.45099756023711
2017-07-01	3.36261613040592
2017-10-01	3.16338893480878
2018-01-01	3.10474232090392
2018-04-01	3.19903676520016