Quarter	Percent, Seasonally Adjusted
1999-04-01	5.83773313948108
1999-07-01	5.53082408355535
1999-10-01	5.21735628138886
2000-01-01	4.71841379416116
2000-04-01	4.44373888955896
2000-07-01	3.93482950927675
2000-10-01	3.86982177459901
2001-01-01	3.80276896439234
2001-04-01	3.73271322999484
2001-07-01	3.89792804590405
2001-10-01	3.71793109699819
2002-01-01	4.08980328486498
2002-04-01	3.96321480405471
2002-07-01	4.00162743298501
2002-10-01	4.30333748966855
2003-01-01	4.28374473599735
2003-04-01	4.24365981347142
2003-07-01	4.64182212861393
2003-10-01	4.25125622306515
2004-01-01	4.13222786703508
2004-04-01	4.00914479128888
2004-07-01	4.07241005544453
2004-10-01	4.12002698500131
2005-01-01	3.81717802268909
2005-04-01	3.93074118193834
2005-07-01	4.02841573713398
2005-10-01	4.26974358958632
2006-01-01	4.21094657164879
2006-04-01	4.17732518237424
2006-07-01	4.46610091211940
2006-10-01	4.01382961634760
2007-01-01	4.99365354002979
2007-04-01	5.31917745950942
2007-07-01	4.72426788806106
2007-10-01	4.69693790581212
2008-01-01	4.71046999801690
2008-04-01	5.17881041514191
2008-07-01	6.25812998744778
2008-10-01	6.68360821962122
2009-01-01	8.33814059296218
2009-04-01	9.44045315640445
2009-07-01	10.05074626533990
2009-10-01	10.26107548339370
2010-01-01	10.42111622974100
2010-04-01	11.43109545184540
2010-07-01	11.34103164854650
2010-10-01	12.51640375601350
2011-01-01	12.21053393387540
2011-04-01	12.20337304946650
2011-07-01	12.71458432331510
2011-10-01	12.94068896181170
2012-01-01	13.22506250830070
2012-04-01	12.64595046947190
2012-07-01	12.68910646229390
2012-10-01	12.52239430834330
2013-01-01	12.93061266083020
2013-04-01	12.95049234685500
2013-07-01	11.82611253006730
2013-10-01	12.06302412667720
2014-01-01	11.73604504474560
2014-04-01	10.96269270739580
2014-07-01	10.87449036667230
2014-10-01	9.99158478926388
2015-01-01	9.61412743897282
2015-04-01	9.30455310070763
2015-07-01	8.60315476088570
2015-10-01	8.17711594935257
2016-01-01	7.71595890141052
2016-04-01	8.07202941661820
2016-07-01	7.42335286067570
2016-10-01	7.18959594608674
2017-01-01	6.98673069256033
2017-04-01	6.04281433497534
2017-07-01	6.23678267907813
2017-10-01	5.95649749786080
2018-01-01	5.67678397735467
2018-04-01	5.70590267497296