Quarter	Percent, Seasonally Adjusted
1998-01-01	3.26924241001971
1998-04-01	3.04140033554256
1998-07-01	3.02610220495174
1998-10-01	3.64168789416449
1999-01-01	3.91828502980853
1999-04-01	4.11925197960520
1999-07-01	3.79014215108712
1999-10-01	3.45080052114083
2000-01-01	3.25816957892742
2000-04-01	3.56686997582658
2000-07-01	4.00937517325476
2000-10-01	3.75205394623877
2001-01-01	3.72511709367157
2001-04-01	4.27073472114373
2001-07-01	4.20289147893078
2001-10-01	4.35113336601718
2002-01-01	4.31954917785822
2002-04-01	3.67225690096219
2002-07-01	3.76915014528676
2002-10-01	3.61200534051104
2003-01-01	3.25208383339549
2003-04-01	3.09657763918422
2003-07-01	2.99118810974957
2003-10-01	3.01046113019092
2004-01-01	4.77890539768569
2004-04-01	4.07478349352838
2004-07-01	4.00579870745962
2004-10-01	4.01018099180047
2005-01-01	3.64611167595562
2005-04-01	3.26529906451528
2005-07-01	3.37447618025760
2005-10-01	3.08031992790098
2006-01-01	3.20486636044584
2006-04-01	3.22434456956761
2006-07-01	2.85516949415730
2006-10-01	2.99001365255853
2007-01-01	3.14472145239101
2007-04-01	2.94432670802044
2007-07-01	2.78014651524864
2007-10-01	2.71172212061643
2008-01-01	2.67275456221093
2008-04-01	2.91982953493309
2008-07-01	3.01923917039465
2008-10-01	2.94615250725324
2009-01-01	3.38907987290815
2009-04-01	3.84081710577859
2009-07-01	4.46092819449022
2009-10-01	4.59485147299936
2010-01-01	5.58458912647193
2010-04-01	5.90156371775295
2010-07-01	5.95384640470001
2010-10-01	6.98145720037020
2011-01-01	7.29680396650901
2011-04-01	7.79085303280644
2011-07-01	8.89733159161090
2011-10-01	10.54362285046150
2012-01-01	11.17730142415300
2012-04-01	13.25174607659120
2012-07-01	14.48048091715940
2012-10-01	15.63220592951320
2013-01-01	15.87957716920030
2013-04-01	16.22446233203940
2013-07-01	16.56555194352310
2013-10-01	16.94019779764430
2014-01-01	16.98376767990940
2014-04-01	17.80721916615520
2014-07-01	18.32475191271270
2014-10-01	17.59827414854380
2015-01-01	18.22623552275490
2015-04-01	17.95962926399890
2015-07-01	18.10408032631820
2015-10-01	18.13334550180650
2016-01-01	19.13502008414330
2016-04-01	19.55590751780740
2016-07-01	18.97987297123020
2016-10-01	19.54863405869870
2017-01-01	18.45775677806320
2017-04-01	17.71784619902570
2017-07-01	17.06064481087670
2017-10-01	15.45334177015930
2018-01-01	13.94984539579180
2018-04-01	13.60256949742220