Quarter	Percent, Seasonally Adjusted
1999-01-01	4.46350352026570
1999-04-01	3.87232029803781
1999-07-01	4.71533181409836
1999-10-01	4.48894252724165
2000-01-01	3.68085148122903
2000-04-01	4.23385546588353
2000-07-01	3.82276856394399
2000-10-01	3.83870840287503
2001-01-01	4.75910153381621
2001-04-01	3.91360021117403
2001-07-01	4.14494446078919
2001-10-01	3.96258776394592
2002-01-01	3.56056142256082
2002-04-01	4.69092354789665
2002-07-01	3.40385074093189
2002-10-01	3.57425681558569
2003-01-01	3.79826277979600
2003-04-01	3.93285926469048
2003-07-01	4.90612905060928
2003-10-01	5.22132207995477
2004-01-01	5.87179722339908
2004-04-01	5.61244221230548
2004-07-01	5.07993639318432
2004-10-01	5.63149729229022
2005-01-01	5.07764052611538
2005-04-01	4.86797550642278
2005-07-01	4.73214544084472
2005-10-01	3.83861775375445
2006-01-01	4.01713135389972
2006-04-01	3.42765711684222
2006-07-01	3.31565380129194
2006-10-01	3.42924948185439
2007-01-01	3.25449689761143
2007-04-01	3.18396052018030
2007-07-01	2.96883733606257
2007-10-01	2.52074457580465
2008-01-01	2.36797982357284
2008-04-01	2.18290922015635
2008-07-01	2.45572815911954
2008-10-01	2.72791889705178
2009-01-01	3.78483455385460
2009-04-01	4.38760622331076
2009-07-01	4.96944526216570
2009-10-01	5.75678398882044
2010-01-01	6.37683964132432
2010-04-01	7.19882761105224
2010-07-01	6.67920442016135
2010-10-01	6.50695906315706
2011-01-01	7.01625204297835
2011-04-01	6.59247161979818
2011-07-01	6.34505310025198
2011-10-01	6.53559220077236
2012-01-01	5.72625778091802
2012-04-01	5.68254217452071
2012-07-01	5.65035625998011
2012-10-01	5.55583443037069
2013-01-01	5.62418448412146
2013-04-01	5.23681513615759
2013-07-01	5.22847653493843
2013-10-01	4.72058875205279
2014-01-01	5.09908541885581
2014-04-01	5.27084732039590
2014-07-01	4.83711652112033
2014-10-01	5.00170330578992
2015-01-01	4.22231493335262
2015-04-01	3.59193690795303
2015-07-01	3.86503787448236
2015-10-01	4.29334131955498
2016-01-01	4.45331940166745
2016-04-01	4.26231846686901
2016-07-01	3.72683610935956
2016-10-01	3.37837069867932
2017-01-01	4.01324422937033
2017-04-01	3.66852074885434
2017-07-01	3.87293580054880
2017-10-01	3.77237690357084
2018-01-01	3.55841946855672
2018-04-01	3.55241956287757