Quarter	Percent, Seasonally Adjusted
1999-01-01	3.38573155985490
1999-04-01	2.66159695817490
1999-07-01	2.09424083769634
1999-10-01	3.38235294117647
2000-01-01	5.79545454545455
2000-04-01	3.62318840579710
2000-07-01	4.23620025673941
2000-10-01	5.76701268742791
2001-01-01	5.15222482435597
2001-04-01	4.56062291434928
2001-07-01	5.75539568345324
2001-10-01	2.95728368017525
2002-01-01	3.83771929824561
2002-04-01	3.21199143468951
2002-07-01	5.17766497461929
2002-10-01	4.26587301587302
2003-01-01	3.86571719226857
2003-04-01	5.73476702508961
2003-07-01	3.98886827458256
2003-10-01	3.98190045248869
2004-01-01	4.67185761957731
2004-04-01	3.25732899022801
2004-07-01	2.30263157894737
2004-10-01	2.81407035175879
2005-01-01	3.74015748031496
2005-04-01	2.66299357208448
2005-07-01	3.14960629921260
2005-10-01	2.34023402340234
2006-01-01	2.91345329905741
2006-04-01	2.59197324414716
2006-07-01	2.00501253132832
2006-10-01	2.40000000000000
2007-01-01	3.46184107002360
2007-04-01	4.52771272443404
2007-07-01	3.52490421455939
2007-10-01	2.67260579064588
2008-01-01	2.84697508896797
2008-04-01	2.70848182466144
2008-07-01	1.76991150442478
2008-10-01	3.18118948824343
2009-01-01	2.62430939226519
2009-04-01	3.35616438356164
2009-07-01	2.55892255892256
2009-10-01	1.48578811369509
2010-01-01	2.28536133415689
2010-04-01	1.65137614678899
2010-07-01	2.14158239143367
2010-10-01	1.62398500936914
2011-01-01	2.67314702308627
2011-04-01	2.68176400476758
2011-07-01	1.66172106824926
2011-10-01	2.90030211480363
2012-01-01	2.46768507638073
2012-04-01	2.69511510387423
2012-07-01	2.80426247896803
2012-10-01	2.87292817679558
2013-01-01	3.19207484865162
2013-04-01	2.71398747390397
2013-07-01	2.88108957569408
2013-10-01	4.02298850574713
2014-01-01	2.65674814027630
2014-04-01	2.46107483676544
2014-07-01	2.87984111221450
2014-10-01	3.29238329238329
2015-01-01	3.79807692307692
2015-04-01	3.24942791762014
2015-07-01	2.76143051154368
2015-10-01	3.86151797603196
2016-01-01	3.81913959613696
2016-04-01	3.60995850622407
2016-07-01	3.75412541254125
2016-10-01	3.88389206868356
2017-01-01	4.08245755860954
2017-04-01	4.11718131433096
2017-07-01	2.94005345551737
2017-10-01	3.75234521575985
2018-01-01	3.22462440454379
2018-04-01	3.60559234731420